diff --git a/.travis.yml b/.travis.yml
index 143a34b6..5bbafef1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,12 @@
 language: node_js
 node_js:
-  - 0.10
-  - 0.12
-  - iojs
-  
-cache:
-  directories:
-    - node_modules
+  - 8
+  - 10
+  - 12
 
-before_install:
-  - npm install --upgrade npm -g
+matrix:
+  allow_failures:
+  - node_js: 12
 
 script:
   - npm run cover-test
@@ -19,4 +16,4 @@ notifications:
     urls:
       - https://webhooks.gitter.im/e/7937aa9d2e9d767d0421
     on_success: always
-    on_failure: always
\ No newline at end of file
+    on_failure: always
diff --git a/lib/cli/generate.js b/lib/cli/generate.js
index d43a92ff..50577f2c 100644
--- a/lib/cli/generate.js
+++ b/lib/cli/generate.js
@@ -179,8 +179,6 @@ exports.generate = function(program) {
     /* Generate package.json */
     packagejs = '{\n  "name": "' + name + '",\n  "description": "An awesome real time application",\n  "version": "0.0.1",\n'+
                 '  "author": "Me <me@mydomain.com>",\n  "private": true,\n  "engines": { "node": ">= 0.10.0" },\n  "dependencies": {';
-    packagejs += '\n    "normalize.css": "3.0.x",';
-    packagejs += '\n    "es6-shim": "0.33.x",';
     packagejs += '\n    "socketstream": "0.4.x"';
     mods = selectedFormatters.concat(['hogan']);
     if (program.repl) {
diff --git a/lib/http/index.js b/lib/http/index.js
index 0da11de2..67161d76 100644
--- a/lib/http/index.js
+++ b/lib/http/index.js
@@ -181,7 +181,13 @@ module.exports = function(root) {
       if (settings.strategy.session) {
         var cookie = {
           path: '/',
-          httpOnly: false,
+          // prevents third-party scripts such as Google Analytics
+          // and XSS attackers from stealing cookies and gaining access
+          // to paywalled or otherwise login-protected or private resources
+          // see https://blog.codinghorror.com/protecting-your-cookies-httponly/
+          // It was set to false pre-0.4.6 to support sessions over
+          // flash transport of socket.io
+          httpOnly: true,
           maxAge: sessionOptions.maxAge,
           secure: settings.secure
         };
diff --git a/lib/socketstream.js b/lib/socketstream.js
index fb9740e0..b138a13c 100644
--- a/lib/socketstream.js
+++ b/lib/socketstream.js
@@ -207,7 +207,9 @@ function unload() {
   client.unload();
   client.assets.unload();
   http.unload();
-  if (api.server) api.server.responders = undefined;
+  if (api.server) {
+    api.server.responders = undefined;
+  }
   ws.unload();
 }
 
diff --git a/lib/websocket/transports/engineio/client.js b/lib/websocket/transports/engineio/client.js
index 9ce215bb..11c1861f 100644
--- a/lib/websocket/transports/engineio/client.js
+++ b/lib/websocket/transports/engineio/client.js
@@ -1,4040 +1,4647 @@
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.eio=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
-
-module.exports =  _dereq_('./lib/');
-
-},{"./lib/":2}],2:[function(_dereq_,module,exports){
-
-module.exports = _dereq_('./socket');
-
-/**
- * Exports parser
- *
- * @api public
- *
- */
-module.exports.parser = _dereq_('engine.io-parser');
-
-},{"./socket":3,"engine.io-parser":17}],3:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Module dependencies.
- */
-
-var transports = _dereq_('./transports');
-var Emitter = _dereq_('component-emitter');
-var debug = _dereq_('debug')('engine.io-client:socket');
-var index = _dereq_('indexof');
-var parser = _dereq_('engine.io-parser');
-var parseuri = _dereq_('parseuri');
-var parsejson = _dereq_('parsejson');
-var parseqs = _dereq_('parseqs');
-
-/**
- * Module exports.
- */
-
-module.exports = Socket;
-
-/**
- * Noop function.
- *
- * @api private
- */
-
-function noop(){}
-
-/**
- * Socket constructor.
- *
- * @param {String|Object} uri or options
- * @param {Object} options
- * @api public
- */
-
-function Socket(uri, opts){
-  if (!(this instanceof Socket)) return new Socket(uri, opts);
-
-  opts = opts || {};
-
-  if (uri && 'object' == typeof uri) {
-    opts = uri;
-    uri = null;
-  }
-
-  if (uri) {
-    uri = parseuri(uri);
-    opts.host = uri.host;
-    opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
-    opts.port = uri.port;
-    if (uri.query) opts.query = uri.query;
-  }
-
-  this.secure = null != opts.secure ? opts.secure :
-    (global.location && 'https:' == location.protocol);
-
-  if (opts.host) {
-    var pieces = opts.host.split(':');
-    opts.hostname = pieces.shift();
-    if (pieces.length) {
-      opts.port = pieces.pop();
-    } else if (!opts.port) {
-      // if no port is specified manually, use the protocol default
-      opts.port = this.secure ? '443' : '80';
-    }
-  }
-
-  this.agent = opts.agent || false;
-  this.hostname = opts.hostname ||
-    (global.location ? location.hostname : 'localhost');
-  this.port = opts.port || (global.location && location.port ?
-       location.port :
-       (this.secure ? 443 : 80));
-  this.query = opts.query || {};
-  if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
-  this.upgrade = false !== opts.upgrade;
-  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
-  this.forceJSONP = !!opts.forceJSONP;
-  this.jsonp = false !== opts.jsonp;
-  this.forceBase64 = !!opts.forceBase64;
-  this.enablesXDR = !!opts.enablesXDR;
-  this.timestampParam = opts.timestampParam || 't';
-  this.timestampRequests = opts.timestampRequests;
-  this.transports = opts.transports || ['polling', 'websocket'];
-  this.readyState = '';
-  this.writeBuffer = [];
-  this.callbackBuffer = [];
-  this.policyPort = opts.policyPort || 843;
-  this.rememberUpgrade = opts.rememberUpgrade || false;
-  this.binaryType = null;
-  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx || null;
-  this.key = opts.key || null;
-  this.passphrase = opts.passphrase || null;
-  this.cert = opts.cert || null;
-  this.ca = opts.ca || null;
-  this.ciphers = opts.ciphers || null;
-  this.rejectUnauthorized = opts.rejectUnauthorized || null;
-
-  this.open();
-}
-
-Socket.priorWebsocketSuccess = false;
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Socket.prototype);
-
-/**
- * Protocol version.
- *
- * @api public
- */
-
-Socket.protocol = parser.protocol; // this is an int
-
-/**
- * Expose deps for legacy compatibility
- * and standalone browser access.
- */
-
-Socket.Socket = Socket;
-Socket.Transport = _dereq_('./transport');
-Socket.transports = _dereq_('./transports');
-Socket.parser = _dereq_('engine.io-parser');
-
-/**
- * Creates transport of the given type.
- *
- * @param {String} transport name
- * @return {Transport}
- * @api private
- */
-
-Socket.prototype.createTransport = function (name) {
-  debug('creating transport "%s"', name);
-  var query = clone(this.query);
-
-  // append engine.io protocol identifier
-  query.EIO = parser.protocol;
-
-  // transport name
-  query.transport = name;
-
-  // session id if we already have one
-  if (this.id) query.sid = this.id;
-
-  var transport = new transports[name]({
-    agent: this.agent,
-    hostname: this.hostname,
-    port: this.port,
-    secure: this.secure,
-    path: this.path,
-    query: query,
-    forceJSONP: this.forceJSONP,
-    jsonp: this.jsonp,
-    forceBase64: this.forceBase64,
-    enablesXDR: this.enablesXDR,
-    timestampRequests: this.timestampRequests,
-    timestampParam: this.timestampParam,
-    policyPort: this.policyPort,
-    socket: this,
-    pfx: this.pfx,
-    key: this.key,
-    passphrase: this.passphrase,
-    cert: this.cert,
-    ca: this.ca,
-    ciphers: this.ciphers,
-    rejectUnauthorized: this.rejectUnauthorized
-  });
-
-  return transport;
-};
-
-function clone (obj) {
-  var o = {};
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      o[i] = obj[i];
-    }
-  }
-  return o;
-}
-
-/**
- * Initializes transport to use and starts probe.
- *
- * @api private
- */
-Socket.prototype.open = function () {
-  var transport;
-  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
-    transport = 'websocket';
-  } else if (0 == this.transports.length) {
-    // Emit error on next tick so it can be listened to
-    var self = this;
-    setTimeout(function() {
-      self.emit('error', 'No transports available');
-    }, 0);
-    return;
-  } else {
-    transport = this.transports[0];
-  }
-  this.readyState = 'opening';
-
-  // Retry with the next transport if the transport is disabled (jsonp: false)
-  var transport;
-  try {
-    transport = this.createTransport(transport);
-  } catch (e) {
-    this.transports.shift();
-    this.open();
-    return;
-  }
-
-  transport.open();
-  this.setTransport(transport);
-};
-
-/**
- * Sets the current transport. Disables the existing one (if any).
- *
- * @api private
- */
-
-Socket.prototype.setTransport = function(transport){
-  debug('setting transport %s', transport.name);
-  var self = this;
-
-  if (this.transport) {
-    debug('clearing existing transport %s', this.transport.name);
-    this.transport.removeAllListeners();
-  }
-
-  // set up transport
-  this.transport = transport;
-
-  // set up transport listeners
-  transport
-  .on('drain', function(){
-    self.onDrain();
-  })
-  .on('packet', function(packet){
-    self.onPacket(packet);
-  })
-  .on('error', function(e){
-    self.onError(e);
-  })
-  .on('close', function(){
-    self.onClose('transport close');
-  });
-};
-
-/**
- * Probes a transport.
- *
- * @param {String} transport name
- * @api private
- */
-
-Socket.prototype.probe = function (name) {
-  debug('probing transport "%s"', name);
-  var transport = this.createTransport(name, { probe: 1 })
-    , failed = false
-    , self = this;
-
-  Socket.priorWebsocketSuccess = false;
-
-  function onTransportOpen(){
-    if (self.onlyBinaryUpgrades) {
-      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
-      failed = failed || upgradeLosesBinary;
-    }
-    if (failed) return;
-
-    debug('probe transport "%s" opened', name);
-    transport.send([{ type: 'ping', data: 'probe' }]);
-    transport.once('packet', function (msg) {
-      if (failed) return;
-      if ('pong' == msg.type && 'probe' == msg.data) {
-        debug('probe transport "%s" pong', name);
-        self.upgrading = true;
-        self.emit('upgrading', transport);
-        if (!transport) return;
-        Socket.priorWebsocketSuccess = 'websocket' == transport.name;
-
-        debug('pausing current transport "%s"', self.transport.name);
-        self.transport.pause(function () {
-          if (failed) return;
-          if ('closed' == self.readyState) return;
-          debug('changing transport and sending upgrade packet');
-
-          cleanup();
-
-          self.setTransport(transport);
-          transport.send([{ type: 'upgrade' }]);
-          self.emit('upgrade', transport);
-          transport = null;
-          self.upgrading = false;
-          self.flush();
-        });
-      } else {
-        debug('probe transport "%s" failed', name);
-        var err = new Error('probe error');
-        err.transport = transport.name;
-        self.emit('upgradeError', err);
-      }
-    });
-  }
-
-  function freezeTransport() {
-    if (failed) return;
-
-    // Any callback called by transport should be ignored since now
-    failed = true;
-
-    cleanup();
-
-    transport.close();
-    transport = null;
-  }
-
-  //Handle any error that happens while probing
-  function onerror(err) {
-    var error = new Error('probe error: ' + err);
-    error.transport = transport.name;
-
-    freezeTransport();
-
-    debug('probe transport "%s" failed because of error: %s', name, err);
-
-    self.emit('upgradeError', error);
-  }
-
-  function onTransportClose(){
-    onerror("transport closed");
-  }
-
-  //When the socket is closed while we're probing
-  function onclose(){
-    onerror("socket closed");
-  }
-
-  //When the socket is upgraded while we're probing
-  function onupgrade(to){
-    if (transport && to.name != transport.name) {
-      debug('"%s" works - aborting "%s"', to.name, transport.name);
-      freezeTransport();
-    }
-  }
-
-  //Remove all listeners on the transport and on self
-  function cleanup(){
-    transport.removeListener('open', onTransportOpen);
-    transport.removeListener('error', onerror);
-    transport.removeListener('close', onTransportClose);
-    self.removeListener('close', onclose);
-    self.removeListener('upgrading', onupgrade);
-  }
-
-  transport.once('open', onTransportOpen);
-  transport.once('error', onerror);
-  transport.once('close', onTransportClose);
-
-  this.once('close', onclose);
-  this.once('upgrading', onupgrade);
-
-  transport.open();
-
-};
-
-/**
- * Called when connection is deemed open.
- *
- * @api public
- */
-
-Socket.prototype.onOpen = function () {
-  debug('socket open');
-  this.readyState = 'open';
-  Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
-  this.emit('open');
-  this.flush();
-
-  // we check for `readyState` in case an `open`
-  // listener already closed the socket
-  if ('open' == this.readyState && this.upgrade && this.transport.pause) {
-    debug('starting upgrade probes');
-    for (var i = 0, l = this.upgrades.length; i < l; i++) {
-      this.probe(this.upgrades[i]);
-    }
-  }
-};
-
-/**
- * Handles a packet.
- *
- * @api private
- */
-
-Socket.prototype.onPacket = function (packet) {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
-
-    this.emit('packet', packet);
-
-    // Socket is live - any packet counts
-    this.emit('heartbeat');
-
-    switch (packet.type) {
-      case 'open':
-        this.onHandshake(parsejson(packet.data));
-        break;
-
-      case 'pong':
-        this.setPing();
-        break;
-
-      case 'error':
-        var err = new Error('server error');
-        err.code = packet.data;
-        this.emit('error', err);
-        break;
-
-      case 'message':
-        this.emit('data', packet.data);
-        this.emit('message', packet.data);
-        break;
-    }
-  } else {
-    debug('packet received with socket readyState "%s"', this.readyState);
-  }
-};
-
-/**
- * Called upon handshake completion.
- *
- * @param {Object} handshake obj
- * @api private
- */
-
-Socket.prototype.onHandshake = function (data) {
-  this.emit('handshake', data);
-  this.id = data.sid;
-  this.transport.query.sid = data.sid;
-  this.upgrades = this.filterUpgrades(data.upgrades);
-  this.pingInterval = data.pingInterval;
-  this.pingTimeout = data.pingTimeout;
-  this.onOpen();
-  // In case open handler closes socket
-  if  ('closed' == this.readyState) return;
-  this.setPing();
-
-  // Prolong liveness of socket on heartbeat
-  this.removeListener('heartbeat', this.onHeartbeat);
-  this.on('heartbeat', this.onHeartbeat);
-};
-
-/**
- * Resets ping timeout.
- *
- * @api private
- */
-
-Socket.prototype.onHeartbeat = function (timeout) {
-  clearTimeout(this.pingTimeoutTimer);
-  var self = this;
-  self.pingTimeoutTimer = setTimeout(function () {
-    if ('closed' == self.readyState) return;
-    self.onClose('ping timeout');
-  }, timeout || (self.pingInterval + self.pingTimeout));
-};
-
-/**
- * Pings server every `this.pingInterval` and expects response
- * within `this.pingTimeout` or closes connection.
- *
- * @api private
- */
-
-Socket.prototype.setPing = function () {
-  var self = this;
-  clearTimeout(self.pingIntervalTimer);
-  self.pingIntervalTimer = setTimeout(function () {
-    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
-    self.ping();
-    self.onHeartbeat(self.pingTimeout);
-  }, self.pingInterval);
-};
-
-/**
-* Sends a ping packet.
-*
-* @api public
-*/
-
-Socket.prototype.ping = function () {
-  this.sendPacket('ping');
-};
-
-/**
- * Called on `drain` event
- *
- * @api private
- */
-
-Socket.prototype.onDrain = function() {
-  for (var i = 0; i < this.prevBufferLen; i++) {
-    if (this.callbackBuffer[i]) {
-      this.callbackBuffer[i]();
-    }
-  }
-
-  this.writeBuffer.splice(0, this.prevBufferLen);
-  this.callbackBuffer.splice(0, this.prevBufferLen);
-
-  // setting prevBufferLen = 0 is very important
-  // for example, when upgrading, upgrade packet is sent over,
-  // and a nonzero prevBufferLen could cause problems on `drain`
-  this.prevBufferLen = 0;
-
-  if (this.writeBuffer.length == 0) {
-    this.emit('drain');
-  } else {
-    this.flush();
-  }
-};
-
-/**
- * Flush write buffers.
- *
- * @api private
- */
-
-Socket.prototype.flush = function () {
-  if ('closed' != this.readyState && this.transport.writable &&
-    !this.upgrading && this.writeBuffer.length) {
-    debug('flushing %d packets in socket', this.writeBuffer.length);
-    this.transport.send(this.writeBuffer);
-    // keep track of current length of writeBuffer
-    // splice writeBuffer and callbackBuffer on `drain`
-    this.prevBufferLen = this.writeBuffer.length;
-    this.emit('flush');
-  }
-};
-
-/**
- * Sends a message.
- *
- * @param {String} message.
- * @param {Function} callback function.
- * @return {Socket} for chaining.
- * @api public
- */
-
-Socket.prototype.write =
-Socket.prototype.send = function (msg, fn) {
-  this.sendPacket('message', msg, fn);
-  return this;
-};
-
-/**
- * Sends a packet.
- *
- * @param {String} packet type.
- * @param {String} data.
- * @param {Function} callback function.
- * @api private
- */
-
-Socket.prototype.sendPacket = function (type, data, fn) {
-  if ('closing' == this.readyState || 'closed' == this.readyState) {
-    return;
-  }
-
-  var packet = { type: type, data: data };
-  this.emit('packetCreate', packet);
-  this.writeBuffer.push(packet);
-  this.callbackBuffer.push(fn);
-  this.flush();
-};
-
-/**
- * Closes the connection.
- *
- * @api private
- */
-
-Socket.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.readyState = 'closing';
-
-    var self = this;
-
-    function close() {
-      self.onClose('forced close');
-      debug('socket closing - telling transport to close');
-      self.transport.close();
-    }
-
-    function cleanupAndClose() {
-      self.removeListener('upgrade', cleanupAndClose);
-      self.removeListener('upgradeError', cleanupAndClose);
-      close();
-    }
-
-    function waitForUpgrade() {
-      // wait for upgrade to finish since we can't send packets while pausing a transport
-      self.once('upgrade', cleanupAndClose);
-      self.once('upgradeError', cleanupAndClose);
-    }
-
-    if (this.writeBuffer.length) {
-      this.once('drain', function() {
-        if (this.upgrading) {
-          waitForUpgrade();
-        } else {
-          close();
-        }
-      });
-    } else if (this.upgrading) {
-      waitForUpgrade();
-    } else {
-      close();
-    }
-  }
-
-  return this;
-};
-
-/**
- * Called upon transport error
- *
- * @api private
- */
-
-Socket.prototype.onError = function (err) {
-  debug('socket error %j', err);
-  Socket.priorWebsocketSuccess = false;
-  this.emit('error', err);
-  this.onClose('transport error', err);
-};
-
-/**
- * Called upon transport close.
- *
- * @api private
- */
-
-Socket.prototype.onClose = function (reason, desc) {
-  if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
-    debug('socket close with reason: "%s"', reason);
-    var self = this;
-
-    // clear timers
-    clearTimeout(this.pingIntervalTimer);
-    clearTimeout(this.pingTimeoutTimer);
-
-    // clean buffers in next tick, so developers can still
-    // grab the buffers on `close` event
-    setTimeout(function() {
-      self.writeBuffer = [];
-      self.callbackBuffer = [];
-      self.prevBufferLen = 0;
-    }, 0);
-
-    // stop event from firing again for transport
-    this.transport.removeAllListeners('close');
-
-    // ensure transport won't stay open
-    this.transport.close();
-
-    // ignore further transport communication
-    this.transport.removeAllListeners();
-
-    // set ready state
-    this.readyState = 'closed';
-
-    // clear session id
-    this.id = null;
-
-    // emit close event
-    this.emit('close', reason, desc);
-  }
-};
-
-/**
- * Filters upgrades, returning only those matching client transports.
- *
- * @param {Array} server upgrades
- * @api private
- *
- */
-
-Socket.prototype.filterUpgrades = function (upgrades) {
-  var filteredUpgrades = [];
-  for (var i = 0, j = upgrades.length; i<j; i++) {
-    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
-  }
-  return filteredUpgrades;
-};
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./transport":4,"./transports":5,"component-emitter":12,"debug":14,"engine.io-parser":17,"indexof":27,"parsejson":28,"parseqs":29,"parseuri":30}],4:[function(_dereq_,module,exports){
-/**
- * Module dependencies.
- */
-
-var parser = _dereq_('engine.io-parser');
-var Emitter = _dereq_('component-emitter');
-
-/**
- * Module exports.
- */
-
-module.exports = Transport;
-
-/**
- * Transport abstract constructor.
- *
- * @param {Object} options.
- * @api private
- */
-
-function Transport (opts) {
-  this.path = opts.path;
-  this.hostname = opts.hostname;
-  this.port = opts.port;
-  this.secure = opts.secure;
-  this.query = opts.query;
-  this.timestampParam = opts.timestampParam;
-  this.timestampRequests = opts.timestampRequests;
-  this.readyState = '';
-  this.agent = opts.agent || false;
-  this.socket = opts.socket;
-  this.enablesXDR = opts.enablesXDR;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Transport.prototype);
-
-/**
- * A counter used to prevent collisions in the timestamps used
- * for cache busting.
- */
-
-Transport.timestamps = 0;
-
-/**
- * Emits an error.
- *
- * @param {String} str
- * @return {Transport} for chaining
- * @api public
- */
-
-Transport.prototype.onError = function (msg, desc) {
-  var err = new Error(msg);
-  err.type = 'TransportError';
-  err.description = desc;
-  this.emit('error', err);
-  return this;
-};
-
-/**
- * Opens the transport.
- *
- * @api public
- */
-
-Transport.prototype.open = function () {
-  if ('closed' == this.readyState || '' == this.readyState) {
-    this.readyState = 'opening';
-    this.doOpen();
-  }
-
-  return this;
-};
-
-/**
- * Closes the transport.
- *
- * @api private
- */
-
-Transport.prototype.close = function () {
-  if ('opening' == this.readyState || 'open' == this.readyState) {
-    this.doClose();
-    this.onClose();
-  }
-
-  return this;
-};
-
-/**
- * Sends multiple packets.
- *
- * @param {Array} packets
- * @api private
- */
-
-Transport.prototype.send = function(packets){
-  if ('open' == this.readyState) {
-    this.write(packets);
-  } else {
-    throw new Error('Transport not open');
-  }
-};
-
-/**
- * Called upon open
- *
- * @api private
- */
-
-Transport.prototype.onOpen = function () {
-  this.readyState = 'open';
-  this.writable = true;
-  this.emit('open');
-};
-
-/**
- * Called with data.
- *
- * @param {String} data
- * @api private
- */
-
-Transport.prototype.onData = function(data){
-  var packet = parser.decodePacket(data, this.socket.binaryType);
-  this.onPacket(packet);
-};
-
-/**
- * Called with a decoded packet.
- */
-
-Transport.prototype.onPacket = function (packet) {
-  this.emit('packet', packet);
-};
-
-/**
- * Called upon close.
- *
- * @api private
- */
-
-Transport.prototype.onClose = function () {
-  this.readyState = 'closed';
-  this.emit('close');
-};
-
-},{"component-emitter":12,"engine.io-parser":17}],5:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Module dependencies
- */
-
-var XMLHttpRequest = _dereq_('xmlhttprequest');
-var XHR = _dereq_('./polling-xhr');
-var JSONP = _dereq_('./polling-jsonp');
-var websocket = _dereq_('./websocket');
-
-/**
- * Export transports.
- */
-
-exports.polling = polling;
-exports.websocket = websocket;
-
-/**
- * Polling transport polymorphic constructor.
- * Decides on xhr vs jsonp based on feature detection.
- *
- * @api private
- */
-
-function polling(opts){
-  var xhr;
-  var xd = false;
-  var xs = false;
-  var jsonp = false !== opts.jsonp;
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    xd = opts.hostname != location.hostname || port != opts.port;
-    xs = opts.secure != isSSL;
-  }
-
-  opts.xdomain = xd;
-  opts.xscheme = xs;
-  xhr = new XMLHttpRequest(opts);
-
-  if ('open' in xhr && !opts.forceJSONP) {
-    return new XHR(opts);
-  } else {
-    if (!jsonp) throw new Error('JSONP disabled');
-    return new JSONP(opts);
-  }
-}
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling-jsonp":6,"./polling-xhr":7,"./websocket":9,"xmlhttprequest":10}],6:[function(_dereq_,module,exports){
-(function (global){
-
-/**
- * Module requirements.
- */
-
-var Polling = _dereq_('./polling');
-var inherit = _dereq_('component-inherit');
-
-/**
- * Module exports.
- */
-
-module.exports = JSONPPolling;
-
-/**
- * Cached regular expressions.
- */
-
-var rNewline = /\n/g;
-var rEscapedNewline = /\\n/g;
-
-/**
- * Global JSONP callbacks.
- */
-
-var callbacks;
-
-/**
- * Callbacks count.
- */
-
-var index = 0;
-
-/**
- * Noop.
- */
-
-function empty () { }
-
-/**
- * JSONP Polling constructor.
- *
- * @param {Object} opts.
- * @api public
- */
-
-function JSONPPolling (opts) {
-  Polling.call(this, opts);
-
-  this.query = this.query || {};
-
-  // define global callbacks array if not present
-  // we do this here (lazily) to avoid unneeded global pollution
-  if (!callbacks) {
-    // we need to consider multiple engines in the same page
-    if (!global.___eio) global.___eio = [];
-    callbacks = global.___eio;
-  }
-
-  // callback identifier
-  this.index = callbacks.length;
-
-  // add callback to jsonp global
-  var self = this;
-  callbacks.push(function (msg) {
-    self.onData(msg);
-  });
-
-  // append to query string
-  this.query.j = this.index;
-
-  // prevent spurious errors from being emitted when the window is unloaded
-  if (global.document && global.addEventListener) {
-    global.addEventListener('beforeunload', function () {
-      if (self.script) self.script.onerror = empty;
-    }, false);
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(JSONPPolling, Polling);
-
-/*
- * JSONP only supports binary as base64 encoded strings
- */
-
-JSONPPolling.prototype.supportsBinary = false;
-
-/**
- * Closes the socket.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doClose = function () {
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  if (this.form) {
-    this.form.parentNode.removeChild(this.form);
-    this.form = null;
-    this.iframe = null;
-  }
-
-  Polling.prototype.doClose.call(this);
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-JSONPPolling.prototype.doPoll = function () {
-  var self = this;
-  var script = document.createElement('script');
-
-  if (this.script) {
-    this.script.parentNode.removeChild(this.script);
-    this.script = null;
-  }
-
-  script.async = true;
-  script.src = this.uri();
-  script.onerror = function(e){
-    self.onError('jsonp poll error',e);
-  };
-
-  var insertAt = document.getElementsByTagName('script')[0];
-  insertAt.parentNode.insertBefore(script, insertAt);
-  this.script = script;
-
-  var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
-  
-  if (isUAgecko) {
-    setTimeout(function () {
-      var iframe = document.createElement('iframe');
-      document.body.appendChild(iframe);
-      document.body.removeChild(iframe);
-    }, 100);
-  }
-};
-
-/**
- * Writes with a hidden iframe.
- *
- * @param {String} data to send
- * @param {Function} called upon flush.
- * @api private
- */
-
-JSONPPolling.prototype.doWrite = function (data, fn) {
-  var self = this;
-
-  if (!this.form) {
-    var form = document.createElement('form');
-    var area = document.createElement('textarea');
-    var id = this.iframeId = 'eio_iframe_' + this.index;
-    var iframe;
-
-    form.className = 'socketio';
-    form.style.position = 'absolute';
-    form.style.top = '-1000px';
-    form.style.left = '-1000px';
-    form.target = id;
-    form.method = 'POST';
-    form.setAttribute('accept-charset', 'utf-8');
-    area.name = 'd';
-    form.appendChild(area);
-    document.body.appendChild(form);
-
-    this.form = form;
-    this.area = area;
-  }
-
-  this.form.action = this.uri();
-
-  function complete () {
-    initIframe();
-    fn();
-  }
-
-  function initIframe () {
-    if (self.iframe) {
-      try {
-        self.form.removeChild(self.iframe);
-      } catch (e) {
-        self.onError('jsonp polling iframe removal error', e);
-      }
-    }
-
-    try {
-      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
-      var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
-      iframe = document.createElement(html);
-    } catch (e) {
-      iframe = document.createElement('iframe');
-      iframe.name = self.iframeId;
-      iframe.src = 'javascript:0';
-    }
-
-    iframe.id = self.iframeId;
-
-    self.form.appendChild(iframe);
-    self.iframe = iframe;
-  }
-
-  initIframe();
-
-  // escape \n to prevent it from being converted into \r\n by some UAs
-  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
-  data = data.replace(rEscapedNewline, '\\\n');
-  this.area.value = data.replace(rNewline, '\\n');
-
-  try {
-    this.form.submit();
-  } catch(e) {}
-
-  if (this.iframe.attachEvent) {
-    this.iframe.onreadystatechange = function(){
-      if (self.iframe.readyState == 'complete') {
-        complete();
-      }
-    };
-  } else {
-    this.iframe.onload = complete;
-  }
-};
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":8,"component-inherit":13}],7:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Module requirements.
- */
-
-var XMLHttpRequest = _dereq_('xmlhttprequest');
-var Polling = _dereq_('./polling');
-var Emitter = _dereq_('component-emitter');
-var inherit = _dereq_('component-inherit');
-var debug = _dereq_('debug')('engine.io-client:polling-xhr');
-
-/**
- * Module exports.
- */
-
-module.exports = XHR;
-module.exports.Request = Request;
-
-/**
- * Empty function
- */
-
-function empty(){}
-
-/**
- * XHR Polling constructor.
- *
- * @param {Object} opts
- * @api public
- */
-
-function XHR(opts){
-  Polling.call(this, opts);
-
-  if (global.location) {
-    var isSSL = 'https:' == location.protocol;
-    var port = location.port;
-
-    // some user agents have empty `location.port`
-    if (!port) {
-      port = isSSL ? 443 : 80;
-    }
-
-    this.xd = opts.hostname != global.location.hostname ||
-      port != opts.port;
-    this.xs = opts.secure != isSSL;
-  }
-}
-
-/**
- * Inherits from Polling.
- */
-
-inherit(XHR, Polling);
-
-/**
- * XHR supports binary
- */
-
-XHR.prototype.supportsBinary = true;
-
-/**
- * Creates a request.
- *
- * @param {String} method
- * @api private
- */
-
-XHR.prototype.request = function(opts){
-  opts = opts || {};
-  opts.uri = this.uri();
-  opts.xd = this.xd;
-  opts.xs = this.xs;
-  opts.agent = this.agent || false;
-  opts.supportsBinary = this.supportsBinary;
-  opts.enablesXDR = this.enablesXDR;
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  return new Request(opts);
-};
-
-/**
- * Sends data.
- *
- * @param {String} data to send.
- * @param {Function} called upon flush.
- * @api private
- */
-
-XHR.prototype.doWrite = function(data, fn){
-  var isBinary = typeof data !== 'string' && data !== undefined;
-  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
-  var self = this;
-  req.on('success', fn);
-  req.on('error', function(err){
-    self.onError('xhr post error', err);
-  });
-  this.sendXhr = req;
-};
-
-/**
- * Starts a poll cycle.
- *
- * @api private
- */
-
-XHR.prototype.doPoll = function(){
-  debug('xhr poll');
-  var req = this.request();
-  var self = this;
-  req.on('data', function(data){
-    self.onData(data);
-  });
-  req.on('error', function(err){
-    self.onError('xhr poll error', err);
-  });
-  this.pollXhr = req;
-};
-
-/**
- * Request constructor
- *
- * @param {Object} options
- * @api public
- */
-
-function Request(opts){
-  this.method = opts.method || 'GET';
-  this.uri = opts.uri;
-  this.xd = !!opts.xd;
-  this.xs = !!opts.xs;
-  this.async = false !== opts.async;
-  this.data = undefined != opts.data ? opts.data : null;
-  this.agent = opts.agent;
-  this.isBinary = opts.isBinary;
-  this.supportsBinary = opts.supportsBinary;
-  this.enablesXDR = opts.enablesXDR;
-
-  // SSL options for Node.js client
-  this.pfx = opts.pfx;
-  this.key = opts.key;
-  this.passphrase = opts.passphrase;
-  this.cert = opts.cert;
-  this.ca = opts.ca;
-  this.ciphers = opts.ciphers;
-  this.rejectUnauthorized = opts.rejectUnauthorized;
-
-  this.create();
-}
-
-/**
- * Mix in `Emitter`.
- */
-
-Emitter(Request.prototype);
-
-/**
- * Creates the XHR object and sends the request.
- *
- * @api private
- */
-
-Request.prototype.create = function(){
-  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  var xhr = this.xhr = new XMLHttpRequest(opts);
-  var self = this;
-
-  try {
-    debug('xhr open %s: %s', this.method, this.uri);
-    xhr.open(this.method, this.uri, this.async);
-    if (this.supportsBinary) {
-      // This has to be done after open because Firefox is stupid
-      // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
-      xhr.responseType = 'arraybuffer';
-    }
-
-    if ('POST' == this.method) {
-      try {
-        if (this.isBinary) {
-          xhr.setRequestHeader('Content-type', 'application/octet-stream');
-        } else {
-          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
-        }
-      } catch (e) {}
-    }
-
-    // ie6 check
-    if ('withCredentials' in xhr) {
-      xhr.withCredentials = true;
-    }
-
-    if (this.hasXDR()) {
-      xhr.onload = function(){
-        self.onLoad();
-      };
-      xhr.onerror = function(){
-        self.onError(xhr.responseText);
-      };
-    } else {
-      xhr.onreadystatechange = function(){
-        if (4 != xhr.readyState) return;
-        if (200 == xhr.status || 1223 == xhr.status) {
-          self.onLoad();
-        } else {
-          // make sure the `error` event handler that's user-set
-          // does not throw in the same tick and gets caught here
-          setTimeout(function(){
-            self.onError(xhr.status);
-          }, 0);
-        }
-      };
-    }
-
-    debug('xhr data %s', this.data);
-    xhr.send(this.data);
-  } catch (e) {
-    // Need to defer since .create() is called directly fhrom the constructor
-    // and thus the 'error' event can only be only bound *after* this exception
-    // occurs.  Therefore, also, we cannot throw here at all.
-    setTimeout(function() {
-      self.onError(e);
-    }, 0);
-    return;
-  }
-
-  if (global.document) {
-    this.index = Request.requestsCount++;
-    Request.requests[this.index] = this;
-  }
-};
-
-/**
- * Called upon successful response.
- *
- * @api private
- */
-
-Request.prototype.onSuccess = function(){
-  this.emit('success');
-  this.cleanup();
-};
-
-/**
- * Called if we have data.
- *
- * @api private
- */
-
-Request.prototype.onData = function(data){
-  this.emit('data', data);
-  this.onSuccess();
-};
-
-/**
- * Called upon error.
- *
- * @api private
- */
-
-Request.prototype.onError = function(err){
-  this.emit('error', err);
-  this.cleanup(true);
-};
-
-/**
- * Cleans up house.
- *
- * @api private
- */
-
-Request.prototype.cleanup = function(fromError){
-  if ('undefined' == typeof this.xhr || null === this.xhr) {
-    return;
-  }
-  // xmlhttprequest
-  if (this.hasXDR()) {
-    this.xhr.onload = this.xhr.onerror = empty;
-  } else {
-    this.xhr.onreadystatechange = empty;
-  }
-
-  if (fromError) {
-    try {
-      this.xhr.abort();
-    } catch(e) {}
-  }
-
-  if (global.document) {
-    delete Request.requests[this.index];
-  }
-
-  this.xhr = null;
-};
-
-/**
- * Called upon load.
- *
- * @api private
- */
-
-Request.prototype.onLoad = function(){
-  var data;
-  try {
-    var contentType;
-    try {
-      contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
-    } catch (e) {}
-    if (contentType === 'application/octet-stream') {
-      data = this.xhr.response;
-    } else {
-      if (!this.supportsBinary) {
-        data = this.xhr.responseText;
-      } else {
-        data = 'ok';
-      }
-    }
-  } catch (e) {
-    this.onError(e);
-  }
-  if (null != data) {
-    this.onData(data);
-  }
-};
-
-/**
- * Check if it has XDomainRequest.
- *
- * @api private
- */
-
-Request.prototype.hasXDR = function(){
-  return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
-};
-
-/**
- * Aborts the request.
- *
- * @api public
- */
-
-Request.prototype.abort = function(){
-  this.cleanup();
-};
-
-/**
- * Aborts pending requests when unloading the window. This is needed to prevent
- * memory leaks (e.g. when using IE) and to ensure that no spurious error is
- * emitted.
- */
-
-if (global.document) {
-  Request.requestsCount = 0;
-  Request.requests = {};
-  if (global.attachEvent) {
-    global.attachEvent('onunload', unloadHandler);
-  } else if (global.addEventListener) {
-    global.addEventListener('beforeunload', unloadHandler, false);
-  }
-}
-
-function unloadHandler() {
-  for (var i in Request.requests) {
-    if (Request.requests.hasOwnProperty(i)) {
-      Request.requests[i].abort();
-    }
-  }
-}
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./polling":8,"component-emitter":12,"component-inherit":13,"debug":14,"xmlhttprequest":10}],8:[function(_dereq_,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = _dereq_('../transport');
-var parseqs = _dereq_('parseqs');
-var parser = _dereq_('engine.io-parser');
-var inherit = _dereq_('component-inherit');
-var debug = _dereq_('debug')('engine.io-client:polling');
-
-/**
- * Module exports.
- */
-
-module.exports = Polling;
-
-/**
- * Is XHR2 supported?
- */
-
-var hasXHR2 = (function() {
-  var XMLHttpRequest = _dereq_('xmlhttprequest');
-  var xhr = new XMLHttpRequest({ xdomain: false });
-  return null != xhr.responseType;
-})();
-
-/**
- * Polling interface.
- *
- * @param {Object} opts
- * @api private
- */
-
-function Polling(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (!hasXHR2 || forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(Polling, Transport);
-
-/**
- * Transport name.
- */
-
-Polling.prototype.name = 'polling';
-
-/**
- * Opens the socket (triggers polling). We write a PING message to determine
- * when the transport is open.
- *
- * @api private
- */
-
-Polling.prototype.doOpen = function(){
-  this.poll();
-};
-
-/**
- * Pauses polling.
- *
- * @param {Function} callback upon buffers are flushed and transport is paused
- * @api private
- */
-
-Polling.prototype.pause = function(onPause){
-  var pending = 0;
-  var self = this;
-
-  this.readyState = 'pausing';
-
-  function pause(){
-    debug('paused');
-    self.readyState = 'paused';
-    onPause();
-  }
-
-  if (this.polling || !this.writable) {
-    var total = 0;
-
-    if (this.polling) {
-      debug('we are currently polling - waiting to pause');
-      total++;
-      this.once('pollComplete', function(){
-        debug('pre-pause polling complete');
-        --total || pause();
-      });
-    }
-
-    if (!this.writable) {
-      debug('we are currently writing - waiting to pause');
-      total++;
-      this.once('drain', function(){
-        debug('pre-pause writing complete');
-        --total || pause();
-      });
-    }
-  } else {
-    pause();
-  }
-};
-
-/**
- * Starts polling cycle.
- *
- * @api public
- */
-
-Polling.prototype.poll = function(){
-  debug('polling');
-  this.polling = true;
-  this.doPoll();
-  this.emit('poll');
-};
-
-/**
- * Overloads onData to detect payloads.
- *
- * @api private
- */
-
-Polling.prototype.onData = function(data){
-  var self = this;
-  debug('polling got data %s', data);
-  var callback = function(packet, index, total) {
-    // if its the first message we consider the transport open
-    if ('opening' == self.readyState) {
-      self.onOpen();
-    }
-
-    // if its a close packet, we close the ongoing requests
-    if ('close' == packet.type) {
-      self.onClose();
-      return false;
-    }
-
-    // otherwise bypass onData and handle the message
-    self.onPacket(packet);
-  };
-
-  // decode payload
-  parser.decodePayload(data, this.socket.binaryType, callback);
-
-  // if an event did not trigger closing
-  if ('closed' != this.readyState) {
-    // if we got data we're not polling
-    this.polling = false;
-    this.emit('pollComplete');
-
-    if ('open' == this.readyState) {
-      this.poll();
-    } else {
-      debug('ignoring poll - transport state "%s"', this.readyState);
-    }
-  }
-};
-
-/**
- * For polling, send a close packet.
- *
- * @api private
- */
-
-Polling.prototype.doClose = function(){
-  var self = this;
-
-  function close(){
-    debug('writing close packet');
-    self.write([{ type: 'close' }]);
-  }
-
-  if ('open' == this.readyState) {
-    debug('transport open - closing');
-    close();
-  } else {
-    // in case we're trying to close while
-    // handshaking is in progress (GH-164)
-    debug('transport not open - deferring close');
-    this.once('open', close);
-  }
-};
-
-/**
- * Writes a packets payload.
- *
- * @param {Array} data packets
- * @param {Function} drain callback
- * @api private
- */
-
-Polling.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  var callbackfn = function() {
-    self.writable = true;
-    self.emit('drain');
-  };
-
-  var self = this;
-  parser.encodePayload(packets, this.supportsBinary, function(data) {
-    self.doWrite(data, callbackfn);
-  });
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-Polling.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'https' : 'http';
-  var port = '';
-
-  // cache busting is forced
-  if (false !== this.timestampRequests) {
-    query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
-  }
-
-  if (!this.supportsBinary && !query.sid) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // avoid port if default for schema
-  if (this.port && (('https' == schema && this.port != 443) ||
-     ('http' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-},{"../transport":4,"component-inherit":13,"debug":14,"engine.io-parser":17,"parseqs":29,"xmlhttprequest":10}],9:[function(_dereq_,module,exports){
-/**
- * Module dependencies.
- */
-
-var Transport = _dereq_('../transport');
-var parser = _dereq_('engine.io-parser');
-var parseqs = _dereq_('parseqs');
-var inherit = _dereq_('component-inherit');
-var debug = _dereq_('debug')('engine.io-client:websocket');
-
-/**
- * `ws` exposes a WebSocket-compatible interface in
- * Node, or the `WebSocket` or `MozWebSocket` globals
- * in the browser.
- */
-
-var WebSocket = _dereq_('ws');
-
-/**
- * Module exports.
- */
-
-module.exports = WS;
-
-/**
- * WebSocket transport constructor.
- *
- * @api {Object} connection options
- * @api public
- */
-
-function WS(opts){
-  var forceBase64 = (opts && opts.forceBase64);
-  if (forceBase64) {
-    this.supportsBinary = false;
-  }
-  Transport.call(this, opts);
-}
-
-/**
- * Inherits from Transport.
- */
-
-inherit(WS, Transport);
-
-/**
- * Transport name.
- *
- * @api public
- */
-
-WS.prototype.name = 'websocket';
-
-/*
- * WebSockets support binary
- */
-
-WS.prototype.supportsBinary = true;
-
-/**
- * Opens socket.
- *
- * @api private
- */
-
-WS.prototype.doOpen = function(){
-  if (!this.check()) {
-    // let probe timeout
-    return;
-  }
-
-  var self = this;
-  var uri = this.uri();
-  var protocols = void(0);
-  var opts = { agent: this.agent };
-
-  // SSL options for Node.js client
-  opts.pfx = this.pfx;
-  opts.key = this.key;
-  opts.passphrase = this.passphrase;
-  opts.cert = this.cert;
-  opts.ca = this.ca;
-  opts.ciphers = this.ciphers;
-  opts.rejectUnauthorized = this.rejectUnauthorized;
-
-  this.ws = new WebSocket(uri, protocols, opts);
-
-  if (this.ws.binaryType === undefined) {
-    this.supportsBinary = false;
-  }
-
-  this.ws.binaryType = 'arraybuffer';
-  this.addEventListeners();
-};
-
-/**
- * Adds event listeners to the socket
- *
- * @api private
- */
-
-WS.prototype.addEventListeners = function(){
-  var self = this;
-
-  this.ws.onopen = function(){
-    self.onOpen();
-  };
-  this.ws.onclose = function(){
-    self.onClose();
-  };
-  this.ws.onmessage = function(ev){
-    self.onData(ev.data);
-  };
-  this.ws.onerror = function(e){
-    self.onError('websocket error', e);
-  };
-};
-
-/**
- * Override `onData` to use a timer on iOS.
- * See: https://gist.github.com/mloughran/2052006
- *
- * @api private
- */
-
-if ('undefined' != typeof navigator
-  && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
-  WS.prototype.onData = function(data){
-    var self = this;
-    setTimeout(function(){
-      Transport.prototype.onData.call(self, data);
-    }, 0);
-  };
-}
-
-/**
- * Writes data to socket.
- *
- * @param {Array} array of packets.
- * @api private
- */
-
-WS.prototype.write = function(packets){
-  var self = this;
-  this.writable = false;
-  // encodePacket efficient as it uses WS framing
-  // no need for encodePayload
-  for (var i = 0, l = packets.length; i < l; i++) {
-    parser.encodePacket(packets[i], this.supportsBinary, function(data) {
-      //Sometimes the websocket has already been closed but the browser didn't
-      //have a chance of informing us about it yet, in that case send will
-      //throw an error
-      try {
-        self.ws.send(data);
-      } catch (e){
-        debug('websocket closed before onclose event');
-      }
-    });
-  }
-
-  function ondrain() {
-    self.writable = true;
-    self.emit('drain');
-  }
-  // fake drain
-  // defer to next tick to allow Socket to clear writeBuffer
-  setTimeout(ondrain, 0);
-};
-
-/**
- * Called upon close
- *
- * @api private
- */
-
-WS.prototype.onClose = function(){
-  Transport.prototype.onClose.call(this);
-};
-
-/**
- * Closes socket.
- *
- * @api private
- */
-
-WS.prototype.doClose = function(){
-  if (typeof this.ws !== 'undefined') {
-    this.ws.close();
-  }
-};
-
-/**
- * Generates uri for connection.
- *
- * @api private
- */
-
-WS.prototype.uri = function(){
-  var query = this.query || {};
-  var schema = this.secure ? 'wss' : 'ws';
-  var port = '';
-
-  // avoid port if default for schema
-  if (this.port && (('wss' == schema && this.port != 443)
-    || ('ws' == schema && this.port != 80))) {
-    port = ':' + this.port;
-  }
-
-  // append timestamp to URI
-  if (this.timestampRequests) {
-    query[this.timestampParam] = +new Date;
-  }
-
-  // communicate binary support capabilities
-  if (!this.supportsBinary) {
-    query.b64 = 1;
-  }
-
-  query = parseqs.encode(query);
-
-  // prepend ? to query
-  if (query.length) {
-    query = '?' + query;
-  }
-
-  return schema + '://' + this.hostname + port + this.path + query;
-};
-
-/**
- * Feature detection for WebSocket.
- *
- * @return {Boolean} whether this transport is available.
- * @api public
- */
-
-WS.prototype.check = function(){
-  return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
-};
-
-},{"../transport":4,"component-inherit":13,"debug":14,"engine.io-parser":17,"parseqs":29,"ws":31}],10:[function(_dereq_,module,exports){
-// browser shim for xmlhttprequest module
-var hasCORS = _dereq_('has-cors');
-
-module.exports = function(opts) {
-  var xdomain = opts.xdomain;
-
-  // scheme must be same when usign XDomainRequest
-  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
-  var xscheme = opts.xscheme;
-
-  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
-  // https://github.com/Automattic/engine.io-client/pull/217
-  var enablesXDR = opts.enablesXDR;
-
-  // XMLHttpRequest can be disabled on IE
-  try {
-    if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
-      return new XMLHttpRequest();
-    }
-  } catch (e) { }
-
-  // Use XDomainRequest for IE8 if enablesXDR is true
-  // because loading bar keeps flashing when using jsonp-polling
-  // https://github.com/yujiosaka/socke.io-ie8-loading-example
-  try {
-    if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
-      return new XDomainRequest();
-    }
-  } catch (e) { }
-
-  if (!xdomain) {
-    try {
-      return new ActiveXObject('Microsoft.XMLHTTP');
-    } catch(e) { }
-  }
-}
-
-},{"has-cors":25}],11:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Create a blob builder even when vendor prefixes exist
- */
-
-var BlobBuilder = global.BlobBuilder
-  || global.WebKitBlobBuilder
-  || global.MSBlobBuilder
-  || global.MozBlobBuilder;
-
-/**
- * Check if Blob constructor is supported
- */
-
-var blobSupported = (function() {
-  try {
-    var b = new Blob(['hi']);
-    return b.size == 2;
-  } catch(e) {
-    return false;
-  }
-})();
-
-/**
- * Check if BlobBuilder is supported
- */
-
-var blobBuilderSupported = BlobBuilder
-  && BlobBuilder.prototype.append
-  && BlobBuilder.prototype.getBlob;
-
-function BlobBuilderConstructor(ary, options) {
-  options = options || {};
-
-  var bb = new BlobBuilder();
-  for (var i = 0; i < ary.length; i++) {
-    bb.append(ary[i]);
-  }
-  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
-};
-
-module.exports = (function() {
-  if (blobSupported) {
-    return global.Blob;
-  } else if (blobBuilderSupported) {
-    return BlobBuilderConstructor;
-  } else {
-    return undefined;
-  }
-})();
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],12:[function(_dereq_,module,exports){
-
-/**
- * Expose `Emitter`.
- */
-
-module.exports = Emitter;
-
-/**
- * Initialize a new `Emitter`.
- *
- * @api public
- */
-
-function Emitter(obj) {
-  if (obj) return mixin(obj);
-};
-
-/**
- * Mixin the emitter properties.
- *
- * @param {Object} obj
- * @return {Object}
- * @api private
- */
-
-function mixin(obj) {
-  for (var key in Emitter.prototype) {
-    obj[key] = Emitter.prototype[key];
-  }
-  return obj;
-}
-
-/**
- * Listen on the given `event` with `fn`.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.on =
-Emitter.prototype.addEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-  (this._callbacks[event] = this._callbacks[event] || [])
-    .push(fn);
-  return this;
-};
-
-/**
- * Adds an `event` listener that will be invoked a single
- * time then automatically removed.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.once = function(event, fn){
-  var self = this;
-  this._callbacks = this._callbacks || {};
-
-  function on() {
-    self.off(event, on);
-    fn.apply(this, arguments);
-  }
-
-  on.fn = fn;
-  this.on(event, on);
-  return this;
-};
-
-/**
- * Remove the given callback for `event` or all
- * registered callbacks.
- *
- * @param {String} event
- * @param {Function} fn
- * @return {Emitter}
- * @api public
- */
-
-Emitter.prototype.off =
-Emitter.prototype.removeListener =
-Emitter.prototype.removeAllListeners =
-Emitter.prototype.removeEventListener = function(event, fn){
-  this._callbacks = this._callbacks || {};
-
-  // all
-  if (0 == arguments.length) {
-    this._callbacks = {};
-    return this;
-  }
-
-  // specific event
-  var callbacks = this._callbacks[event];
-  if (!callbacks) return this;
-
-  // remove all handlers
-  if (1 == arguments.length) {
-    delete this._callbacks[event];
-    return this;
-  }
-
-  // remove specific handler
-  var cb;
-  for (var i = 0; i < callbacks.length; i++) {
-    cb = callbacks[i];
-    if (cb === fn || cb.fn === fn) {
-      callbacks.splice(i, 1);
-      break;
-    }
-  }
-  return this;
-};
-
-/**
- * Emit `event` with the given args.
- *
- * @param {String} event
- * @param {Mixed} ...
- * @return {Emitter}
- */
-
-Emitter.prototype.emit = function(event){
-  this._callbacks = this._callbacks || {};
-  var args = [].slice.call(arguments, 1)
-    , callbacks = this._callbacks[event];
-
-  if (callbacks) {
-    callbacks = callbacks.slice(0);
-    for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
-    }
-  }
-
-  return this;
-};
-
-/**
- * Return array of callbacks for `event`.
- *
- * @param {String} event
- * @return {Array}
- * @api public
- */
-
-Emitter.prototype.listeners = function(event){
-  this._callbacks = this._callbacks || {};
-  return this._callbacks[event] || [];
-};
-
-/**
- * Check if this emitter has `event` handlers.
- *
- * @param {String} event
- * @return {Boolean}
- * @api public
- */
-
-Emitter.prototype.hasListeners = function(event){
-  return !! this.listeners(event).length;
-};
-
-},{}],13:[function(_dereq_,module,exports){
-
-module.exports = function(a, b){
-  var fn = function(){};
-  fn.prototype = b.prototype;
-  a.prototype = new fn;
-  a.prototype.constructor = a;
-};
-},{}],14:[function(_dereq_,module,exports){
-
-/**
- * This is the web browser implementation of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = _dereq_('./debug');
-exports.log = log;
-exports.formatArgs = formatArgs;
-exports.save = save;
-exports.load = load;
-exports.useColors = useColors;
-
-/**
- * Colors.
- */
-
-exports.colors = [
-  'lightseagreen',
-  'forestgreen',
-  'goldenrod',
-  'dodgerblue',
-  'darkorchid',
-  'crimson'
-];
-
-/**
- * Currently only WebKit-based Web Inspectors, Firefox >= v31,
- * and the Firebug extension (any Firefox version) are known
- * to support "%c" CSS customizations.
- *
- * TODO: add a `localStorage` variable to explicitly enable/disable colors
- */
-
-function useColors() {
-  // is webkit? http://stackoverflow.com/a/16459606/376773
-  return ('WebkitAppearance' in document.documentElement.style) ||
-    // is firebug? http://stackoverflow.com/a/398120/376773
-    (window.console && (console.firebug || (console.exception && console.table))) ||
-    // is firefox >= v31?
-    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
-    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
-}
-
-/**
- * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
- */
-
-exports.formatters.j = function(v) {
-  return JSON.stringify(v);
-};
-
-
-/**
- * Colorize log arguments if enabled.
- *
- * @api public
- */
-
-function formatArgs() {
-  var args = arguments;
-  var useColors = this.useColors;
-
-  args[0] = (useColors ? '%c' : '')
-    + this.namespace
-    + (useColors ? ' %c' : ' ')
-    + args[0]
-    + (useColors ? '%c ' : ' ')
-    + '+' + exports.humanize(this.diff);
-
-  if (!useColors) return args;
-
-  var c = 'color: ' + this.color;
-  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
-
-  // the final "%c" is somewhat tricky, because there could be other
-  // arguments passed either before or after the %c, so we need to
-  // figure out the correct index to insert the CSS into
-  var index = 0;
-  var lastC = 0;
-  args[0].replace(/%[a-z%]/g, function(match) {
-    if ('%' === match) return;
-    index++;
-    if ('%c' === match) {
-      // we only are interested in the *last* %c
-      // (the user may have provided their own)
-      lastC = index;
-    }
-  });
-
-  args.splice(lastC, 0, c);
-  return args;
-}
-
-/**
- * Invokes `console.log()` when available.
- * No-op when `console.log` is not a "function".
- *
- * @api public
- */
-
-function log() {
-  // This hackery is required for IE8,
-  // where the `console.log` function doesn't have 'apply'
-  return 'object' == typeof console
-    && 'function' == typeof console.log
-    && Function.prototype.apply.call(console.log, console, arguments);
-}
-
-/**
- * Save `namespaces`.
- *
- * @param {String} namespaces
- * @api private
- */
-
-function save(namespaces) {
-  try {
-    if (null == namespaces) {
-      localStorage.removeItem('debug');
-    } else {
-      localStorage.debug = namespaces;
-    }
-  } catch(e) {}
-}
-
-/**
- * Load `namespaces`.
- *
- * @return {String} returns the previously persisted debug modes
- * @api private
- */
-
-function load() {
-  var r;
-  try {
-    r = localStorage.debug;
-  } catch(e) {}
-  return r;
-}
-
-/**
- * Enable namespaces listed in `localStorage.debug` initially.
- */
-
-exports.enable(load());
-
-},{"./debug":15}],15:[function(_dereq_,module,exports){
-
-/**
- * This is the common logic for both the Node.js and web browser
- * implementations of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = debug;
-exports.coerce = coerce;
-exports.disable = disable;
-exports.enable = enable;
-exports.enabled = enabled;
-exports.humanize = _dereq_('ms');
-
-/**
- * The currently active debug mode names, and names to skip.
- */
-
-exports.names = [];
-exports.skips = [];
-
-/**
- * Map of special "%n" handling functions, for the debug "format" argument.
- *
- * Valid key names are a single, lowercased letter, i.e. "n".
- */
-
-exports.formatters = {};
-
-/**
- * Previously assigned color.
- */
-
-var prevColor = 0;
-
-/**
- * Previous log timestamp.
- */
-
-var prevTime;
-
-/**
- * Select a color.
- *
- * @return {Number}
- * @api private
- */
-
-function selectColor() {
-  return exports.colors[prevColor++ % exports.colors.length];
-}
-
-/**
- * Create a debugger with the given `namespace`.
- *
- * @param {String} namespace
- * @return {Function}
- * @api public
- */
-
-function debug(namespace) {
-
-  // define the `disabled` version
-  function disabled() {
-  }
-  disabled.enabled = false;
-
-  // define the `enabled` version
-  function enabled() {
-
-    var self = enabled;
-
-    // set `diff` timestamp
-    var curr = +new Date();
-    var ms = curr - (prevTime || curr);
-    self.diff = ms;
-    self.prev = prevTime;
-    self.curr = curr;
-    prevTime = curr;
-
-    // add the `color` if not set
-    if (null == self.useColors) self.useColors = exports.useColors();
-    if (null == self.color && self.useColors) self.color = selectColor();
-
-    var args = Array.prototype.slice.call(arguments);
-
-    args[0] = exports.coerce(args[0]);
-
-    if ('string' !== typeof args[0]) {
-      // anything else let's inspect with %o
-      args = ['%o'].concat(args);
-    }
-
-    // apply any `formatters` transformations
-    var index = 0;
-    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
-      // if we encounter an escaped % then don't increase the array index
-      if (match === '%') return match;
-      index++;
-      var formatter = exports.formatters[format];
-      if ('function' === typeof formatter) {
-        var val = args[index];
-        match = formatter.call(self, val);
-
-        // now we need to remove `args[index]` since it's inlined in the `format`
-        args.splice(index, 1);
-        index--;
-      }
-      return match;
-    });
-
-    if ('function' === typeof exports.formatArgs) {
-      args = exports.formatArgs.apply(self, args);
-    }
-    var logFn = enabled.log || exports.log || console.log.bind(console);
-    logFn.apply(self, args);
-  }
-  enabled.enabled = true;
-
-  var fn = exports.enabled(namespace) ? enabled : disabled;
-
-  fn.namespace = namespace;
-
-  return fn;
-}
-
-/**
- * Enables a debug mode by namespaces. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} namespaces
- * @api public
- */
-
-function enable(namespaces) {
-  exports.save(namespaces);
-
-  var split = (namespaces || '').split(/[\s,]+/);
-  var len = split.length;
-
-  for (var i = 0; i < len; i++) {
-    if (!split[i]) continue; // ignore empty strings
-    namespaces = split[i].replace(/\*/g, '.*?');
-    if (namespaces[0] === '-') {
-      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
-    } else {
-      exports.names.push(new RegExp('^' + namespaces + '$'));
-    }
-  }
-}
-
-/**
- * Disable debug output.
- *
- * @api public
- */
-
-function disable() {
-  exports.enable('');
-}
-
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
-
-function enabled(name) {
-  var i, len;
-  for (i = 0, len = exports.skips.length; i < len; i++) {
-    if (exports.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (i = 0, len = exports.names.length; i < len; i++) {
-    if (exports.names[i].test(name)) {
-      return true;
-    }
-  }
-  return false;
-}
-
-/**
- * Coerce `val`.
- *
- * @param {Mixed} val
- * @return {Mixed}
- * @api private
- */
-
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-},{"ms":16}],16:[function(_dereq_,module,exports){
-/**
- * Helpers.
- */
-
-var s = 1000;
-var m = s * 60;
-var h = m * 60;
-var d = h * 24;
-var y = d * 365.25;
-
-/**
- * Parse or format the given `val`.
- *
- * Options:
- *
- *  - `long` verbose formatting [false]
- *
- * @param {String|Number} val
- * @param {Object} options
- * @return {String|Number}
- * @api public
- */
-
-module.exports = function(val, options){
-  options = options || {};
-  if ('string' == typeof val) return parse(val);
-  return options.long
-    ? long(val)
-    : short(val);
-};
-
-/**
- * Parse the given `str` and return milliseconds.
- *
- * @param {String} str
- * @return {Number}
- * @api private
- */
-
-function parse(str) {
-  var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
-  if (!match) return;
-  var n = parseFloat(match[1]);
-  var type = (match[2] || 'ms').toLowerCase();
-  switch (type) {
-    case 'years':
-    case 'year':
-    case 'y':
-      return n * y;
-    case 'days':
-    case 'day':
-    case 'd':
-      return n * d;
-    case 'hours':
-    case 'hour':
-    case 'h':
-      return n * h;
-    case 'minutes':
-    case 'minute':
-    case 'm':
-      return n * m;
-    case 'seconds':
-    case 'second':
-    case 's':
-      return n * s;
-    case 'ms':
-      return n;
-  }
-}
-
-/**
- * Short format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
-
-function short(ms) {
-  if (ms >= d) return Math.round(ms / d) + 'd';
-  if (ms >= h) return Math.round(ms / h) + 'h';
-  if (ms >= m) return Math.round(ms / m) + 'm';
-  if (ms >= s) return Math.round(ms / s) + 's';
-  return ms + 'ms';
-}
-
-/**
- * Long format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
-
-function long(ms) {
-  return plural(ms, d, 'day')
-    || plural(ms, h, 'hour')
-    || plural(ms, m, 'minute')
-    || plural(ms, s, 'second')
-    || ms + ' ms';
-}
-
-/**
- * Pluralization helper.
- */
-
-function plural(ms, n, name) {
-  if (ms < n) return;
-  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
-  return Math.ceil(ms / n) + ' ' + name + 's';
-}
-
-},{}],17:[function(_dereq_,module,exports){
-(function (global){
-/**
- * Module dependencies.
- */
-
-var keys = _dereq_('./keys');
-var hasBinary = _dereq_('has-binary');
-var sliceBuffer = _dereq_('arraybuffer.slice');
-var base64encoder = _dereq_('base64-arraybuffer');
-var after = _dereq_('after');
-var utf8 = _dereq_('utf8');
-
-/**
- * Check if we are running an android browser. That requires us to use
- * ArrayBuffer with polling transports...
- *
- * http://ghinda.net/jpeg-blob-ajax-android/
- */
-
-var isAndroid = navigator.userAgent.match(/Android/i);
-
-/**
- * Check if we are running in PhantomJS.
- * Uploading a Blob with PhantomJS does not work correctly, as reported here:
- * https://github.com/ariya/phantomjs/issues/11395
- * @type boolean
- */
-var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
-
-/**
- * When true, avoids using Blobs to encode payloads.
- * @type boolean
- */
-var dontSendBlobs = isAndroid || isPhantomJS;
-
-/**
- * Current protocol version.
- */
-
-exports.protocol = 3;
-
-/**
- * Packet types.
- */
-
-var packets = exports.packets = {
-    open:     0    // non-ws
-  , close:    1    // non-ws
-  , ping:     2
-  , pong:     3
-  , message:  4
-  , upgrade:  5
-  , noop:     6
-};
-
-var packetslist = keys(packets);
-
-/**
- * Premade error packet.
- */
-
-var err = { type: 'error', data: 'parser error' };
-
-/**
- * Create a blob api even for blob builder when vendor prefixes exist
- */
-
-var Blob = _dereq_('blob');
-
-/**
- * Encodes a packet.
- *
- *     <packet type id> [ <data> ]
- *
- * Example:
- *
- *     5hello world
- *     3
- *     4
- *
- * Binary is encoded in an identical principle
- *
- * @api private
- */
-
-exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
-  if ('function' == typeof supportsBinary) {
-    callback = supportsBinary;
-    supportsBinary = false;
-  }
-
-  if ('function' == typeof utf8encode) {
-    callback = utf8encode;
-    utf8encode = null;
-  }
-
-  var data = (packet.data === undefined)
-    ? undefined
-    : packet.data.buffer || packet.data;
-
-  if (global.ArrayBuffer && data instanceof ArrayBuffer) {
-    return encodeArrayBuffer(packet, supportsBinary, callback);
-  } else if (Blob && data instanceof global.Blob) {
-    return encodeBlob(packet, supportsBinary, callback);
-  }
-
-  // might be an object with { base64: true, data: dataAsBase64String }
-  if (data && data.base64) {
-    return encodeBase64Object(packet, callback);
-  }
-
-  // Sending data as a utf-8 string
-  var encoded = packets[packet.type];
-
-  // data fragment is optional
-  if (undefined !== packet.data) {
-    encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
-  }
-
-  return callback('' + encoded);
-
-};
-
-function encodeBase64Object(packet, callback) {
-  // packet data is an object { base64: true, data: dataAsBase64String }
-  var message = 'b' + exports.packets[packet.type] + packet.data.data;
-  return callback(message);
-}
-
-/**
- * Encode packet helpers for binary types
- */
-
-function encodeArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var data = packet.data;
-  var contentArray = new Uint8Array(data);
-  var resultBuffer = new Uint8Array(1 + data.byteLength);
-
-  resultBuffer[0] = packets[packet.type];
-  for (var i = 0; i < contentArray.length; i++) {
-    resultBuffer[i+1] = contentArray[i];
-  }
-
-  return callback(resultBuffer.buffer);
-}
-
-function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  var fr = new FileReader();
-  fr.onload = function() {
-    packet.data = fr.result;
-    exports.encodePacket(packet, supportsBinary, true, callback);
-  };
-  return fr.readAsArrayBuffer(packet.data);
-}
-
-function encodeBlob(packet, supportsBinary, callback) {
-  if (!supportsBinary) {
-    return exports.encodeBase64Packet(packet, callback);
-  }
-
-  if (dontSendBlobs) {
-    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
-  }
-
-  var length = new Uint8Array(1);
-  length[0] = packets[packet.type];
-  var blob = new Blob([length.buffer, packet.data]);
-
-  return callback(blob);
-}
-
-/**
- * Encodes a packet with binary data in a base64 string
- *
- * @param {Object} packet, has `type` and `data`
- * @return {String} base64 encoded message
- */
-
-exports.encodeBase64Packet = function(packet, callback) {
-  var message = 'b' + exports.packets[packet.type];
-  if (Blob && packet.data instanceof Blob) {
-    var fr = new FileReader();
-    fr.onload = function() {
-      var b64 = fr.result.split(',')[1];
-      callback(message + b64);
-    };
-    return fr.readAsDataURL(packet.data);
-  }
-
-  var b64data;
-  try {
-    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
-  } catch (e) {
-    // iPhone Safari doesn't let you apply with typed arrays
-    var typed = new Uint8Array(packet.data);
-    var basic = new Array(typed.length);
-    for (var i = 0; i < typed.length; i++) {
-      basic[i] = typed[i];
-    }
-    b64data = String.fromCharCode.apply(null, basic);
-  }
-  message += global.btoa(b64data);
-  return callback(message);
-};
-
-/**
- * Decodes a packet. Changes format to Blob if requested.
- *
- * @return {Object} with `type` and `data` (if any)
- * @api private
- */
-
-exports.decodePacket = function (data, binaryType, utf8decode) {
-  // String data
-  if (typeof data == 'string' || data === undefined) {
-    if (data.charAt(0) == 'b') {
-      return exports.decodeBase64Packet(data.substr(1), binaryType);
-    }
-
-    if (utf8decode) {
-      try {
-        data = utf8.decode(data);
-      } catch (e) {
-        return err;
-      }
-    }
-    var type = data.charAt(0);
-
-    if (Number(type) != type || !packetslist[type]) {
-      return err;
-    }
-
-    if (data.length > 1) {
-      return { type: packetslist[type], data: data.substring(1) };
-    } else {
-      return { type: packetslist[type] };
-    }
-  }
-
-  var asArray = new Uint8Array(data);
-  var type = asArray[0];
-  var rest = sliceBuffer(data, 1);
-  if (Blob && binaryType === 'blob') {
-    rest = new Blob([rest]);
-  }
-  return { type: packetslist[type], data: rest };
-};
-
-/**
- * Decodes a packet encoded in a base64 string
- *
- * @param {String} base64 encoded message
- * @return {Object} with `type` and `data` (if any)
- */
-
-exports.decodeBase64Packet = function(msg, binaryType) {
-  var type = packetslist[msg.charAt(0)];
-  if (!global.ArrayBuffer) {
-    return { type: type, data: { base64: true, data: msg.substr(1) } };
-  }
-
-  var data = base64encoder.decode(msg.substr(1));
-
-  if (binaryType === 'blob' && Blob) {
-    data = new Blob([data]);
-  }
-
-  return { type: type, data: data };
-};
-
-/**
- * Encodes multiple messages (payload).
- *
- *     <length>:data
- *
- * Example:
- *
- *     11:hello world2:hi
- *
- * If any contents are binary, they will be encoded as base64 strings. Base64
- * encoded strings are marked with a b before the length specifier
- *
- * @param {Array} packets
- * @api private
- */
-
-exports.encodePayload = function (packets, supportsBinary, callback) {
-  if (typeof supportsBinary == 'function') {
-    callback = supportsBinary;
-    supportsBinary = null;
-  }
-
-  var isBinary = hasBinary(packets);
-
-  if (supportsBinary && isBinary) {
-    if (Blob && !dontSendBlobs) {
-      return exports.encodePayloadAsBlob(packets, callback);
-    }
-
-    return exports.encodePayloadAsArrayBuffer(packets, callback);
-  }
-
-  if (!packets.length) {
-    return callback('0:');
-  }
-
-  function setLengthHeader(message) {
-    return message.length + ':' + message;
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
-      doneCallback(null, setLengthHeader(message));
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(results.join(''));
-  });
-};
-
-/**
- * Async array map using after
- */
-
-function map(ary, each, done) {
-  var result = new Array(ary.length);
-  var next = after(ary.length, done);
-
-  var eachWithIndex = function(i, el, cb) {
-    each(el, function(error, msg) {
-      result[i] = msg;
-      cb(error, result);
-    });
-  };
-
-  for (var i = 0; i < ary.length; i++) {
-    eachWithIndex(i, ary[i], next);
-  }
-}
-
-/*
- * Decodes data when a payload is maybe expected. Possible binary contents are
- * decoded from their base64 representation
- *
- * @param {String} data, callback method
- * @api public
- */
-
-exports.decodePayload = function (data, binaryType, callback) {
-  if (typeof data != 'string') {
-    return exports.decodePayloadAsBinary(data, binaryType, callback);
-  }
-
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var packet;
-  if (data == '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-  var length = ''
-    , n, msg;
-
-  for (var i = 0, l = data.length; i < l; i++) {
-    var chr = data.charAt(i);
-
-    if (':' != chr) {
-      length += chr;
-    } else {
-      if ('' == length || (length != (n = Number(length)))) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      msg = data.substr(i + 1, n);
-
-      if (length != msg.length) {
-        // parser error - ignoring payload
-        return callback(err, 0, 1);
-      }
-
-      if (msg.length) {
-        packet = exports.decodePacket(msg, binaryType, true);
-
-        if (err.type == packet.type && err.data == packet.data) {
-          // parser error in individual packet - ignoring payload
-          return callback(err, 0, 1);
-        }
-
-        var ret = callback(packet, i + n, l);
-        if (false === ret) return;
-      }
-
-      // advance cursor
-      i += n;
-      length = '';
-    }
-  }
-
-  if (length != '') {
-    // parser error - ignoring payload
-    return callback(err, 0, 1);
-  }
-
-};
-
-/**
- * Encodes multiple messages (payload) as binary.
- *
- * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
- * 255><data>
- *
- * Example:
- * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
- *
- * @param {Array} packets
- * @return {ArrayBuffer} encoded payload
- * @api private
- */
-
-exports.encodePayloadAsArrayBuffer = function(packets, callback) {
-  if (!packets.length) {
-    return callback(new ArrayBuffer(0));
-  }
-
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, true, function(data) {
-      return doneCallback(null, data);
-    });
-  }
-
-  map(packets, encodeOne, function(err, encodedPackets) {
-    var totalLength = encodedPackets.reduce(function(acc, p) {
-      var len;
-      if (typeof p === 'string'){
-        len = p.length;
-      } else {
-        len = p.byteLength;
-      }
-      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
-    }, 0);
-
-    var resultArray = new Uint8Array(totalLength);
-
-    var bufferIndex = 0;
-    encodedPackets.forEach(function(p) {
-      var isString = typeof p === 'string';
-      var ab = p;
-      if (isString) {
-        var view = new Uint8Array(p.length);
-        for (var i = 0; i < p.length; i++) {
-          view[i] = p.charCodeAt(i);
-        }
-        ab = view.buffer;
-      }
-
-      if (isString) { // not true binary
-        resultArray[bufferIndex++] = 0;
-      } else { // true binary
-        resultArray[bufferIndex++] = 1;
-      }
-
-      var lenStr = ab.byteLength.toString();
-      for (var i = 0; i < lenStr.length; i++) {
-        resultArray[bufferIndex++] = parseInt(lenStr[i]);
-      }
-      resultArray[bufferIndex++] = 255;
-
-      var view = new Uint8Array(ab);
-      for (var i = 0; i < view.length; i++) {
-        resultArray[bufferIndex++] = view[i];
-      }
-    });
-
-    return callback(resultArray.buffer);
-  });
-};
-
-/**
- * Encode as Blob
- */
-
-exports.encodePayloadAsBlob = function(packets, callback) {
-  function encodeOne(packet, doneCallback) {
-    exports.encodePacket(packet, true, true, function(encoded) {
-      var binaryIdentifier = new Uint8Array(1);
-      binaryIdentifier[0] = 1;
-      if (typeof encoded === 'string') {
-        var view = new Uint8Array(encoded.length);
-        for (var i = 0; i < encoded.length; i++) {
-          view[i] = encoded.charCodeAt(i);
-        }
-        encoded = view.buffer;
-        binaryIdentifier[0] = 0;
-      }
-
-      var len = (encoded instanceof ArrayBuffer)
-        ? encoded.byteLength
-        : encoded.size;
-
-      var lenStr = len.toString();
-      var lengthAry = new Uint8Array(lenStr.length + 1);
-      for (var i = 0; i < lenStr.length; i++) {
-        lengthAry[i] = parseInt(lenStr[i]);
-      }
-      lengthAry[lenStr.length] = 255;
-
-      if (Blob) {
-        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
-        doneCallback(null, blob);
-      }
-    });
-  }
-
-  map(packets, encodeOne, function(err, results) {
-    return callback(new Blob(results));
-  });
-};
-
-/*
- * Decodes data when a payload is maybe expected. Strings are decoded by
- * interpreting each byte as a key code for entries marked to start with 0. See
- * description of encodePayloadAsBinary
- *
- * @param {ArrayBuffer} data, callback method
- * @api public
- */
-
-exports.decodePayloadAsBinary = function (data, binaryType, callback) {
-  if (typeof binaryType === 'function') {
-    callback = binaryType;
-    binaryType = null;
-  }
-
-  var bufferTail = data;
-  var buffers = [];
-
-  var numberTooLong = false;
-  while (bufferTail.byteLength > 0) {
-    var tailArray = new Uint8Array(bufferTail);
-    var isString = tailArray[0] === 0;
-    var msgLength = '';
-
-    for (var i = 1; ; i++) {
-      if (tailArray[i] == 255) break;
-
-      if (msgLength.length > 310) {
-        numberTooLong = true;
-        break;
-      }
-
-      msgLength += tailArray[i];
-    }
-
-    if(numberTooLong) return callback(err, 0, 1);
-
-    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
-    msgLength = parseInt(msgLength);
-
-    var msg = sliceBuffer(bufferTail, 0, msgLength);
-    if (isString) {
-      try {
-        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
-      } catch (e) {
-        // iPhone Safari doesn't let you apply to typed arrays
-        var typed = new Uint8Array(msg);
-        msg = '';
-        for (var i = 0; i < typed.length; i++) {
-          msg += String.fromCharCode(typed[i]);
-        }
-      }
-    }
-
-    buffers.push(msg);
-    bufferTail = sliceBuffer(bufferTail, msgLength);
-  }
-
-  var total = buffers.length;
-  buffers.forEach(function(buffer, i) {
-    callback(exports.decodePacket(buffer, binaryType, true), i, total);
-  });
-};
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./keys":18,"after":19,"arraybuffer.slice":20,"base64-arraybuffer":21,"blob":11,"has-binary":22,"utf8":24}],18:[function(_dereq_,module,exports){
-
-/**
- * Gets the keys for an object.
- *
- * @return {Array} keys
- * @api private
- */
-
-module.exports = Object.keys || function keys (obj){
-  var arr = [];
-  var has = Object.prototype.hasOwnProperty;
-
-  for (var i in obj) {
-    if (has.call(obj, i)) {
-      arr.push(i);
-    }
-  }
-  return arr;
-};
-
-},{}],19:[function(_dereq_,module,exports){
-module.exports = after
-
-function after(count, callback, err_cb) {
-    var bail = false
-    err_cb = err_cb || noop
-    proxy.count = count
-
-    return (count === 0) ? callback() : proxy
-
-    function proxy(err, result) {
-        if (proxy.count <= 0) {
-            throw new Error('after called too many times')
-        }
-        --proxy.count
-
-        // after first error, rest are passed to err_cb
-        if (err) {
-            bail = true
-            callback(err)
-            // future error callbacks will go to error handler
-            callback = err_cb
-        } else if (proxy.count === 0 && !bail) {
-            callback(null, result)
-        }
-    }
-}
-
-function noop() {}
-
-},{}],20:[function(_dereq_,module,exports){
-/**
- * An abstraction for slicing an arraybuffer even when
- * ArrayBuffer.prototype.slice is not supported
- *
- * @api public
- */
-
-module.exports = function(arraybuffer, start, end) {
-  var bytes = arraybuffer.byteLength;
-  start = start || 0;
-  end = end || bytes;
-
-  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
-
-  if (start < 0) { start += bytes; }
-  if (end < 0) { end += bytes; }
-  if (end > bytes) { end = bytes; }
-
-  if (start >= bytes || start >= end || bytes === 0) {
-    return new ArrayBuffer(0);
-  }
-
-  var abv = new Uint8Array(arraybuffer);
-  var result = new Uint8Array(end - start);
-  for (var i = start, ii = 0; i < end; i++, ii++) {
-    result[ii] = abv[i];
-  }
-  return result.buffer;
-};
-
-},{}],21:[function(_dereq_,module,exports){
-/*
- * base64-arraybuffer
- * https://github.com/niklasvh/base64-arraybuffer
- *
- * Copyright (c) 2012 Niklas von Hertzen
- * Licensed under the MIT license.
- */
-(function(chars){
-  "use strict";
-
-  exports.encode = function(arraybuffer) {
-    var bytes = new Uint8Array(arraybuffer),
-    i, len = bytes.length, base64 = "";
-
-    for (i = 0; i < len; i+=3) {
-      base64 += chars[bytes[i] >> 2];
-      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
-      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
-      base64 += chars[bytes[i + 2] & 63];
-    }
-
-    if ((len % 3) === 2) {
-      base64 = base64.substring(0, base64.length - 1) + "=";
-    } else if (len % 3 === 1) {
-      base64 = base64.substring(0, base64.length - 2) + "==";
-    }
-
-    return base64;
-  };
-
-  exports.decode =  function(base64) {
-    var bufferLength = base64.length * 0.75,
-    len = base64.length, i, p = 0,
-    encoded1, encoded2, encoded3, encoded4;
-
-    if (base64[base64.length - 1] === "=") {
-      bufferLength--;
-      if (base64[base64.length - 2] === "=") {
-        bufferLength--;
-      }
-    }
-
-    var arraybuffer = new ArrayBuffer(bufferLength),
-    bytes = new Uint8Array(arraybuffer);
-
-    for (i = 0; i < len; i+=4) {
-      encoded1 = chars.indexOf(base64[i]);
-      encoded2 = chars.indexOf(base64[i+1]);
-      encoded3 = chars.indexOf(base64[i+2]);
-      encoded4 = chars.indexOf(base64[i+3]);
-
-      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
-      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
-      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
-    }
-
-    return arraybuffer;
-  };
-})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
-
-},{}],22:[function(_dereq_,module,exports){
-(function (global){
-
-/*
- * Module requirements.
- */
-
-var isArray = _dereq_('isarray');
-
-/**
- * Module exports.
- */
-
-module.exports = hasBinary;
-
-/**
- * Checks for binary data.
- *
- * Right now only Buffer and ArrayBuffer are supported..
- *
- * @param {Object} anything
- * @api public
- */
-
-function hasBinary(data) {
-
-  function _hasBinary(obj) {
-    if (!obj) return false;
-
-    if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
-         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
-         (global.Blob && obj instanceof Blob) ||
-         (global.File && obj instanceof File)
-        ) {
-      return true;
-    }
-
-    if (isArray(obj)) {
-      for (var i = 0; i < obj.length; i++) {
-          if (_hasBinary(obj[i])) {
-              return true;
-          }
-      }
-    } else if (obj && 'object' == typeof obj) {
-      if (obj.toJSON) {
-        obj = obj.toJSON();
-      }
-
-      for (var key in obj) {
-        if (obj.hasOwnProperty(key) && _hasBinary(obj[key])) {
-          return true;
-        }
-      }
-    }
-
-    return false;
-  }
-
-  return _hasBinary(data);
-}
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"isarray":23}],23:[function(_dereq_,module,exports){
-module.exports = Array.isArray || function (arr) {
-  return Object.prototype.toString.call(arr) == '[object Array]';
-};
-
-},{}],24:[function(_dereq_,module,exports){
-(function (global){
-/*! http://mths.be/utf8js v2.0.0 by @mathias */
-;(function(root) {
-
-  // Detect free variables `exports`
-  var freeExports = typeof exports == 'object' && exports;
-
-  // Detect free variable `module`
-  var freeModule = typeof module == 'object' && module &&
-    module.exports == freeExports && module;
-
-  // Detect free variable `global`, from Node.js or Browserified code,
-  // and use it as `root`
-  var freeGlobal = typeof global == 'object' && global;
-  if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
-    root = freeGlobal;
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  var stringFromCharCode = String.fromCharCode;
-
-  // Taken from http://mths.be/punycode
-  function ucs2decode(string) {
-    var output = [];
-    var counter = 0;
-    var length = string.length;
-    var value;
-    var extra;
-    while (counter < length) {
-      value = string.charCodeAt(counter++);
-      if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
-        // high surrogate, and there is a next character
-        extra = string.charCodeAt(counter++);
-        if ((extra & 0xFC00) == 0xDC00) { // low surrogate
-          output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
-        } else {
-          // unmatched surrogate; only append this code unit, in case the next
-          // code unit is the high surrogate of a surrogate pair
-          output.push(value);
-          counter--;
-        }
-      } else {
-        output.push(value);
-      }
-    }
-    return output;
-  }
-
-  // Taken from http://mths.be/punycode
-  function ucs2encode(array) {
-    var length = array.length;
-    var index = -1;
-    var value;
-    var output = '';
-    while (++index < length) {
-      value = array[index];
-      if (value > 0xFFFF) {
-        value -= 0x10000;
-        output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
-        value = 0xDC00 | value & 0x3FF;
-      }
-      output += stringFromCharCode(value);
-    }
-    return output;
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  function createByte(codePoint, shift) {
-    return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
-  }
-
-  function encodeCodePoint(codePoint) {
-    if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
-      return stringFromCharCode(codePoint);
-    }
-    var symbol = '';
-    if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
-      symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
-    }
-    else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
-      symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
-      symbol += createByte(codePoint, 6);
-    }
-    else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
-      symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
-      symbol += createByte(codePoint, 12);
-      symbol += createByte(codePoint, 6);
-    }
-    symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
-    return symbol;
-  }
-
-  function utf8encode(string) {
-    var codePoints = ucs2decode(string);
-
-    // console.log(JSON.stringify(codePoints.map(function(x) {
-    //  return 'U+' + x.toString(16).toUpperCase();
-    // })));
-
-    var length = codePoints.length;
-    var index = -1;
-    var codePoint;
-    var byteString = '';
-    while (++index < length) {
-      codePoint = codePoints[index];
-      byteString += encodeCodePoint(codePoint);
-    }
-    return byteString;
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  function readContinuationByte() {
-    if (byteIndex >= byteCount) {
-      throw Error('Invalid byte index');
-    }
-
-    var continuationByte = byteArray[byteIndex] & 0xFF;
-    byteIndex++;
-
-    if ((continuationByte & 0xC0) == 0x80) {
-      return continuationByte & 0x3F;
-    }
-
-    // If we end up here, it’s not a continuation byte
-    throw Error('Invalid continuation byte');
-  }
-
-  function decodeSymbol() {
-    var byte1;
-    var byte2;
-    var byte3;
-    var byte4;
-    var codePoint;
-
-    if (byteIndex > byteCount) {
-      throw Error('Invalid byte index');
-    }
-
-    if (byteIndex == byteCount) {
-      return false;
-    }
-
-    // Read first byte
-    byte1 = byteArray[byteIndex] & 0xFF;
-    byteIndex++;
-
-    // 1-byte sequence (no continuation bytes)
-    if ((byte1 & 0x80) == 0) {
-      return byte1;
-    }
-
-    // 2-byte sequence
-    if ((byte1 & 0xE0) == 0xC0) {
-      var byte2 = readContinuationByte();
-      codePoint = ((byte1 & 0x1F) << 6) | byte2;
-      if (codePoint >= 0x80) {
-        return codePoint;
-      } else {
-        throw Error('Invalid continuation byte');
-      }
-    }
-
-    // 3-byte sequence (may include unpaired surrogates)
-    if ((byte1 & 0xF0) == 0xE0) {
-      byte2 = readContinuationByte();
-      byte3 = readContinuationByte();
-      codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
-      if (codePoint >= 0x0800) {
-        return codePoint;
-      } else {
-        throw Error('Invalid continuation byte');
-      }
-    }
-
-    // 4-byte sequence
-    if ((byte1 & 0xF8) == 0xF0) {
-      byte2 = readContinuationByte();
-      byte3 = readContinuationByte();
-      byte4 = readContinuationByte();
-      codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
-        (byte3 << 0x06) | byte4;
-      if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
-        return codePoint;
-      }
-    }
-
-    throw Error('Invalid UTF-8 detected');
-  }
-
-  var byteArray;
-  var byteCount;
-  var byteIndex;
-  function utf8decode(byteString) {
-    byteArray = ucs2decode(byteString);
-    byteCount = byteArray.length;
-    byteIndex = 0;
-    var codePoints = [];
-    var tmp;
-    while ((tmp = decodeSymbol()) !== false) {
-      codePoints.push(tmp);
-    }
-    return ucs2encode(codePoints);
-  }
-
-  /*--------------------------------------------------------------------------*/
-
-  var utf8 = {
-    'version': '2.0.0',
-    'encode': utf8encode,
-    'decode': utf8decode
-  };
-
-  // Some AMD build optimizers, like r.js, check for specific condition patterns
-  // like the following:
-  if (
-    typeof define == 'function' &&
-    typeof define.amd == 'object' &&
-    define.amd
-  ) {
-    define(function() {
-      return utf8;
-    });
-  } else if (freeExports && !freeExports.nodeType) {
-    if (freeModule) { // in Node.js or RingoJS v0.8.0+
-      freeModule.exports = utf8;
-    } else { // in Narwhal or RingoJS v0.7.0-
-      var object = {};
-      var hasOwnProperty = object.hasOwnProperty;
-      for (var key in utf8) {
-        hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
-      }
-    }
-  } else { // in Rhino or a web browser
-    root.utf8 = utf8;
-  }
-
-}(this));
-
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],25:[function(_dereq_,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = _dereq_('global');
-
-/**
- * Module exports.
- *
- * Logic borrowed from Modernizr:
- *
- *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
- */
-
-try {
-  module.exports = 'XMLHttpRequest' in global &&
-    'withCredentials' in new global.XMLHttpRequest();
-} catch (err) {
-  // if XMLHttp support is disabled in IE then it will throw
-  // when trying to create
-  module.exports = false;
-}
-
-},{"global":26}],26:[function(_dereq_,module,exports){
-
-/**
- * Returns `this`. Execute this without a "context" (i.e. without it being
- * attached to an object of the left-hand side), and `this` points to the
- * "global" scope of the current JS execution.
- */
-
-module.exports = (function () { return this; })();
-
-},{}],27:[function(_dereq_,module,exports){
-
-var indexOf = [].indexOf;
-
-module.exports = function(arr, obj){
-  if (indexOf) return arr.indexOf(obj);
-  for (var i = 0; i < arr.length; ++i) {
-    if (arr[i] === obj) return i;
-  }
-  return -1;
-};
-},{}],28:[function(_dereq_,module,exports){
-(function (global){
-/**
- * JSON parse.
- *
- * @see Based on jQuery#parseJSON (MIT) and JSON2
- * @api private
- */
-
-var rvalidchars = /^[\],:{}\s]*$/;
-var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
-var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
-var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
-var rtrimLeft = /^\s+/;
-var rtrimRight = /\s+$/;
-
-module.exports = function parsejson(data) {
-  if ('string' != typeof data || !data) {
-    return null;
-  }
-
-  data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
-
-  // Attempt to parse using the native JSON parser first
-  if (global.JSON && JSON.parse) {
-    return JSON.parse(data);
-  }
-
-  if (rvalidchars.test(data.replace(rvalidescape, '@')
-      .replace(rvalidtokens, ']')
-      .replace(rvalidbraces, ''))) {
-    return (new Function('return ' + data))();
-  }
-};
-}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],29:[function(_dereq_,module,exports){
-/**
- * Compiles a querystring
- * Returns string representation of the object
- *
- * @param {Object}
- * @api private
- */
-
-exports.encode = function (obj) {
-  var str = '';
-
-  for (var i in obj) {
-    if (obj.hasOwnProperty(i)) {
-      if (str.length) str += '&';
-      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
-    }
-  }
-
-  return str;
-};
-
-/**
- * Parses a simple querystring into an object
- *
- * @param {String} qs
- * @api private
- */
-
-exports.decode = function(qs){
-  var qry = {};
-  var pairs = qs.split('&');
-  for (var i = 0, l = pairs.length; i < l; i++) {
-    var pair = pairs[i].split('=');
-    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
-  }
-  return qry;
-};
-
-},{}],30:[function(_dereq_,module,exports){
-/**
- * Parses an URI
- *
- * @author Steven Levithan <stevenlevithan.com> (MIT license)
- * @api private
- */
-
-var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
-
-var parts = [
-    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
-];
-
-module.exports = function parseuri(str) {
-    var src = str,
-        b = str.indexOf('['),
-        e = str.indexOf(']');
-
-    if (b != -1 && e != -1) {
-        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
-    }
-
-    var m = re.exec(str || ''),
-        uri = {},
-        i = 14;
-
-    while (i--) {
-        uri[parts[i]] = m[i] || '';
-    }
-
-    if (b != -1 && e != -1) {
-        uri.source = src;
-        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
-        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
-        uri.ipv6uri = true;
-    }
-
-    return uri;
-};
-
-},{}],31:[function(_dereq_,module,exports){
-
-/**
- * Module dependencies.
- */
-
-var global = (function() { return this; })();
-
-/**
- * WebSocket constructor.
- */
-
-var WebSocket = global.WebSocket || global.MozWebSocket;
-
-/**
- * Module exports.
- */
-
-module.exports = WebSocket ? ws : null;
-
-/**
- * WebSocket constructor.
- *
- * The third `opts` options object gets ignored in web browsers, since it's
- * non-standard, and throws a TypeError if passed to the constructor.
- * See: https://github.com/einaros/ws/issues/227
- *
- * @param {String} uri
- * @param {Array} protocols (optional)
- * @param {Object) opts (optional)
- * @api public
- */
-
-function ws(uri, protocols, opts) {
-  var instance;
-  if (protocols) {
-    instance = new WebSocket(uri, protocols);
-  } else {
-    instance = new WebSocket(uri);
-  }
-  return instance;
-}
-
-if (WebSocket) ws.prototype = WebSocket.prototype;
-
-},{}]},{},[1])(1)
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define([], factory);
+	else if(typeof exports === 'object')
+		exports["eio"] = factory();
+	else
+		root["eio"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId])
+/******/ 			return installedModules[moduleId].exports;
+
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			exports: {},
+/******/ 			id: moduleId,
+/******/ 			loaded: false
+/******/ 		};
+
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+/******/ 		// Flag the module as loaded
+/******/ 		module.loaded = true;
+
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+
+
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	module.exports = __webpack_require__(1);
+
+	/**
+	 * Exports parser
+	 *
+	 * @api public
+	 *
+	 */
+	module.exports.parser = __webpack_require__(8);
+
+/***/ },
+/* 1 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var transports = __webpack_require__(2);
+	var Emitter = __webpack_require__(17);
+	var debug = __webpack_require__(21)('engine.io-client:socket');
+	var index = __webpack_require__(28);
+	var parser = __webpack_require__(8);
+	var parseuri = __webpack_require__(29);
+	var parseqs = __webpack_require__(18);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Socket;
+
+	/**
+	 * Socket constructor.
+	 *
+	 * @param {String|Object} uri or options
+	 * @param {Object} options
+	 * @api public
+	 */
+
+	function Socket(uri, opts) {
+	  if (!(this instanceof Socket)) return new Socket(uri, opts);
+
+	  opts = opts || {};
+
+	  if (uri && 'object' === (typeof uri === 'undefined' ? 'undefined' : _typeof(uri))) {
+	    opts = uri;
+	    uri = null;
+	  }
+
+	  if (uri) {
+	    uri = parseuri(uri);
+	    opts.hostname = uri.host;
+	    opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';
+	    opts.port = uri.port;
+	    if (uri.query) opts.query = uri.query;
+	  } else if (opts.host) {
+	    opts.hostname = parseuri(opts.host).host;
+	  }
+
+	  this.secure = null != opts.secure ? opts.secure : typeof location !== 'undefined' && 'https:' === location.protocol;
+
+	  if (opts.hostname && !opts.port) {
+	    // if no port is specified manually, use the protocol default
+	    opts.port = this.secure ? '443' : '80';
+	  }
+
+	  this.agent = opts.agent || false;
+	  this.hostname = opts.hostname || (typeof location !== 'undefined' ? location.hostname : 'localhost');
+	  this.port = opts.port || (typeof location !== 'undefined' && location.port ? location.port : this.secure ? 443 : 80);
+	  this.query = opts.query || {};
+	  if ('string' === typeof this.query) this.query = parseqs.decode(this.query);
+	  this.upgrade = false !== opts.upgrade;
+	  this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
+	  this.forceJSONP = !!opts.forceJSONP;
+	  this.jsonp = false !== opts.jsonp;
+	  this.forceBase64 = !!opts.forceBase64;
+	  this.enablesXDR = !!opts.enablesXDR;
+	  this.timestampParam = opts.timestampParam || 't';
+	  this.timestampRequests = opts.timestampRequests;
+	  this.transports = opts.transports || ['polling', 'websocket'];
+	  this.transportOptions = opts.transportOptions || {};
+	  this.readyState = '';
+	  this.writeBuffer = [];
+	  this.prevBufferLen = 0;
+	  this.policyPort = opts.policyPort || 843;
+	  this.rememberUpgrade = opts.rememberUpgrade || false;
+	  this.binaryType = null;
+	  this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
+	  this.perMessageDeflate = false !== opts.perMessageDeflate ? opts.perMessageDeflate || {} : false;
+
+	  if (true === this.perMessageDeflate) this.perMessageDeflate = {};
+	  if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
+	    this.perMessageDeflate.threshold = 1024;
+	  }
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx || null;
+	  this.key = opts.key || null;
+	  this.passphrase = opts.passphrase || null;
+	  this.cert = opts.cert || null;
+	  this.ca = opts.ca || null;
+	  this.ciphers = opts.ciphers || null;
+	  this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;
+	  this.forceNode = !!opts.forceNode;
+
+	  // detect ReactNative environment
+	  this.isReactNative = typeof navigator !== 'undefined' && typeof navigator.product === 'string' && navigator.product.toLowerCase() === 'reactnative';
+
+	  // other options for Node.js or ReactNative client
+	  if (typeof self === 'undefined' || this.isReactNative) {
+	    if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
+	      this.extraHeaders = opts.extraHeaders;
+	    }
+
+	    if (opts.localAddress) {
+	      this.localAddress = opts.localAddress;
+	    }
+	  }
+
+	  // set on handshake
+	  this.id = null;
+	  this.upgrades = null;
+	  this.pingInterval = null;
+	  this.pingTimeout = null;
+
+	  // set on heartbeat
+	  this.pingIntervalTimer = null;
+	  this.pingTimeoutTimer = null;
+
+	  this.open();
+	}
+
+	Socket.priorWebsocketSuccess = false;
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Socket.prototype);
+
+	/**
+	 * Protocol version.
+	 *
+	 * @api public
+	 */
+
+	Socket.protocol = parser.protocol; // this is an int
+
+	/**
+	 * Expose deps for legacy compatibility
+	 * and standalone browser access.
+	 */
+
+	Socket.Socket = Socket;
+	Socket.Transport = __webpack_require__(7);
+	Socket.transports = __webpack_require__(2);
+	Socket.parser = __webpack_require__(8);
+
+	/**
+	 * Creates transport of the given type.
+	 *
+	 * @param {String} transport name
+	 * @return {Transport}
+	 * @api private
+	 */
+
+	Socket.prototype.createTransport = function (name) {
+	  debug('creating transport "%s"', name);
+	  var query = clone(this.query);
+
+	  // append engine.io protocol identifier
+	  query.EIO = parser.protocol;
+
+	  // transport name
+	  query.transport = name;
+
+	  // per-transport options
+	  var options = this.transportOptions[name] || {};
+
+	  // session id if we already have one
+	  if (this.id) query.sid = this.id;
+
+	  var transport = new transports[name]({
+	    query: query,
+	    socket: this,
+	    agent: options.agent || this.agent,
+	    hostname: options.hostname || this.hostname,
+	    port: options.port || this.port,
+	    secure: options.secure || this.secure,
+	    path: options.path || this.path,
+	    forceJSONP: options.forceJSONP || this.forceJSONP,
+	    jsonp: options.jsonp || this.jsonp,
+	    forceBase64: options.forceBase64 || this.forceBase64,
+	    enablesXDR: options.enablesXDR || this.enablesXDR,
+	    timestampRequests: options.timestampRequests || this.timestampRequests,
+	    timestampParam: options.timestampParam || this.timestampParam,
+	    policyPort: options.policyPort || this.policyPort,
+	    pfx: options.pfx || this.pfx,
+	    key: options.key || this.key,
+	    passphrase: options.passphrase || this.passphrase,
+	    cert: options.cert || this.cert,
+	    ca: options.ca || this.ca,
+	    ciphers: options.ciphers || this.ciphers,
+	    rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,
+	    perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,
+	    extraHeaders: options.extraHeaders || this.extraHeaders,
+	    forceNode: options.forceNode || this.forceNode,
+	    localAddress: options.localAddress || this.localAddress,
+	    requestTimeout: options.requestTimeout || this.requestTimeout,
+	    protocols: options.protocols || void 0,
+	    isReactNative: this.isReactNative
+	  });
+
+	  return transport;
+	};
+
+	function clone(obj) {
+	  var o = {};
+	  for (var i in obj) {
+	    if (obj.hasOwnProperty(i)) {
+	      o[i] = obj[i];
+	    }
+	  }
+	  return o;
+	}
+
+	/**
+	 * Initializes transport to use and starts probe.
+	 *
+	 * @api private
+	 */
+	Socket.prototype.open = function () {
+	  var transport;
+	  if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {
+	    transport = 'websocket';
+	  } else if (0 === this.transports.length) {
+	    // Emit error on next tick so it can be listened to
+	    var self = this;
+	    setTimeout(function () {
+	      self.emit('error', 'No transports available');
+	    }, 0);
+	    return;
+	  } else {
+	    transport = this.transports[0];
+	  }
+	  this.readyState = 'opening';
+
+	  // Retry with the next transport if the transport is disabled (jsonp: false)
+	  try {
+	    transport = this.createTransport(transport);
+	  } catch (e) {
+	    this.transports.shift();
+	    this.open();
+	    return;
+	  }
+
+	  transport.open();
+	  this.setTransport(transport);
+	};
+
+	/**
+	 * Sets the current transport. Disables the existing one (if any).
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.setTransport = function (transport) {
+	  debug('setting transport %s', transport.name);
+	  var self = this;
+
+	  if (this.transport) {
+	    debug('clearing existing transport %s', this.transport.name);
+	    this.transport.removeAllListeners();
+	  }
+
+	  // set up transport
+	  this.transport = transport;
+
+	  // set up transport listeners
+	  transport.on('drain', function () {
+	    self.onDrain();
+	  }).on('packet', function (packet) {
+	    self.onPacket(packet);
+	  }).on('error', function (e) {
+	    self.onError(e);
+	  }).on('close', function () {
+	    self.onClose('transport close');
+	  });
+	};
+
+	/**
+	 * Probes a transport.
+	 *
+	 * @param {String} transport name
+	 * @api private
+	 */
+
+	Socket.prototype.probe = function (name) {
+	  debug('probing transport "%s"', name);
+	  var transport = this.createTransport(name, { probe: 1 });
+	  var failed = false;
+	  var self = this;
+
+	  Socket.priorWebsocketSuccess = false;
+
+	  function onTransportOpen() {
+	    if (self.onlyBinaryUpgrades) {
+	      var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
+	      failed = failed || upgradeLosesBinary;
+	    }
+	    if (failed) return;
+
+	    debug('probe transport "%s" opened', name);
+	    transport.send([{ type: 'ping', data: 'probe' }]);
+	    transport.once('packet', function (msg) {
+	      if (failed) return;
+	      if ('pong' === msg.type && 'probe' === msg.data) {
+	        debug('probe transport "%s" pong', name);
+	        self.upgrading = true;
+	        self.emit('upgrading', transport);
+	        if (!transport) return;
+	        Socket.priorWebsocketSuccess = 'websocket' === transport.name;
+
+	        debug('pausing current transport "%s"', self.transport.name);
+	        self.transport.pause(function () {
+	          if (failed) return;
+	          if ('closed' === self.readyState) return;
+	          debug('changing transport and sending upgrade packet');
+
+	          cleanup();
+
+	          self.setTransport(transport);
+	          transport.send([{ type: 'upgrade' }]);
+	          self.emit('upgrade', transport);
+	          transport = null;
+	          self.upgrading = false;
+	          self.flush();
+	        });
+	      } else {
+	        debug('probe transport "%s" failed', name);
+	        var err = new Error('probe error');
+	        err.transport = transport.name;
+	        self.emit('upgradeError', err);
+	      }
+	    });
+	  }
+
+	  function freezeTransport() {
+	    if (failed) return;
+
+	    // Any callback called by transport should be ignored since now
+	    failed = true;
+
+	    cleanup();
+
+	    transport.close();
+	    transport = null;
+	  }
+
+	  // Handle any error that happens while probing
+	  function onerror(err) {
+	    var error = new Error('probe error: ' + err);
+	    error.transport = transport.name;
+
+	    freezeTransport();
+
+	    debug('probe transport "%s" failed because of error: %s', name, err);
+
+	    self.emit('upgradeError', error);
+	  }
+
+	  function onTransportClose() {
+	    onerror('transport closed');
+	  }
+
+	  // When the socket is closed while we're probing
+	  function onclose() {
+	    onerror('socket closed');
+	  }
+
+	  // When the socket is upgraded while we're probing
+	  function onupgrade(to) {
+	    if (transport && to.name !== transport.name) {
+	      debug('"%s" works - aborting "%s"', to.name, transport.name);
+	      freezeTransport();
+	    }
+	  }
+
+	  // Remove all listeners on the transport and on self
+	  function cleanup() {
+	    transport.removeListener('open', onTransportOpen);
+	    transport.removeListener('error', onerror);
+	    transport.removeListener('close', onTransportClose);
+	    self.removeListener('close', onclose);
+	    self.removeListener('upgrading', onupgrade);
+	  }
+
+	  transport.once('open', onTransportOpen);
+	  transport.once('error', onerror);
+	  transport.once('close', onTransportClose);
+
+	  this.once('close', onclose);
+	  this.once('upgrading', onupgrade);
+
+	  transport.open();
+	};
+
+	/**
+	 * Called when connection is deemed open.
+	 *
+	 * @api public
+	 */
+
+	Socket.prototype.onOpen = function () {
+	  debug('socket open');
+	  this.readyState = 'open';
+	  Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;
+	  this.emit('open');
+	  this.flush();
+
+	  // we check for `readyState` in case an `open`
+	  // listener already closed the socket
+	  if ('open' === this.readyState && this.upgrade && this.transport.pause) {
+	    debug('starting upgrade probes');
+	    for (var i = 0, l = this.upgrades.length; i < l; i++) {
+	      this.probe(this.upgrades[i]);
+	    }
+	  }
+	};
+
+	/**
+	 * Handles a packet.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onPacket = function (packet) {
+	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
+	    debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
+
+	    this.emit('packet', packet);
+
+	    // Socket is live - any packet counts
+	    this.emit('heartbeat');
+
+	    switch (packet.type) {
+	      case 'open':
+	        this.onHandshake(JSON.parse(packet.data));
+	        break;
+
+	      case 'pong':
+	        this.setPing();
+	        this.emit('pong');
+	        break;
+
+	      case 'error':
+	        var err = new Error('server error');
+	        err.code = packet.data;
+	        this.onError(err);
+	        break;
+
+	      case 'message':
+	        this.emit('data', packet.data);
+	        this.emit('message', packet.data);
+	        break;
+	    }
+	  } else {
+	    debug('packet received with socket readyState "%s"', this.readyState);
+	  }
+	};
+
+	/**
+	 * Called upon handshake completion.
+	 *
+	 * @param {Object} handshake obj
+	 * @api private
+	 */
+
+	Socket.prototype.onHandshake = function (data) {
+	  this.emit('handshake', data);
+	  this.id = data.sid;
+	  this.transport.query.sid = data.sid;
+	  this.upgrades = this.filterUpgrades(data.upgrades);
+	  this.pingInterval = data.pingInterval;
+	  this.pingTimeout = data.pingTimeout;
+	  this.onOpen();
+	  // In case open handler closes socket
+	  if ('closed' === this.readyState) return;
+	  this.setPing();
+
+	  // Prolong liveness of socket on heartbeat
+	  this.removeListener('heartbeat', this.onHeartbeat);
+	  this.on('heartbeat', this.onHeartbeat);
+	};
+
+	/**
+	 * Resets ping timeout.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onHeartbeat = function (timeout) {
+	  clearTimeout(this.pingTimeoutTimer);
+	  var self = this;
+	  self.pingTimeoutTimer = setTimeout(function () {
+	    if ('closed' === self.readyState) return;
+	    self.onClose('ping timeout');
+	  }, timeout || self.pingInterval + self.pingTimeout);
+	};
+
+	/**
+	 * Pings server every `this.pingInterval` and expects response
+	 * within `this.pingTimeout` or closes connection.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.setPing = function () {
+	  var self = this;
+	  clearTimeout(self.pingIntervalTimer);
+	  self.pingIntervalTimer = setTimeout(function () {
+	    debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
+	    self.ping();
+	    self.onHeartbeat(self.pingTimeout);
+	  }, self.pingInterval);
+	};
+
+	/**
+	* Sends a ping packet.
+	*
+	* @api private
+	*/
+
+	Socket.prototype.ping = function () {
+	  var self = this;
+	  this.sendPacket('ping', function () {
+	    self.emit('ping');
+	  });
+	};
+
+	/**
+	 * Called on `drain` event
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onDrain = function () {
+	  this.writeBuffer.splice(0, this.prevBufferLen);
+
+	  // setting prevBufferLen = 0 is very important
+	  // for example, when upgrading, upgrade packet is sent over,
+	  // and a nonzero prevBufferLen could cause problems on `drain`
+	  this.prevBufferLen = 0;
+
+	  if (0 === this.writeBuffer.length) {
+	    this.emit('drain');
+	  } else {
+	    this.flush();
+	  }
+	};
+
+	/**
+	 * Flush write buffers.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.flush = function () {
+	  if ('closed' !== this.readyState && this.transport.writable && !this.upgrading && this.writeBuffer.length) {
+	    debug('flushing %d packets in socket', this.writeBuffer.length);
+	    this.transport.send(this.writeBuffer);
+	    // keep track of current length of writeBuffer
+	    // splice writeBuffer and callbackBuffer on `drain`
+	    this.prevBufferLen = this.writeBuffer.length;
+	    this.emit('flush');
+	  }
+	};
+
+	/**
+	 * Sends a message.
+	 *
+	 * @param {String} message.
+	 * @param {Function} callback function.
+	 * @param {Object} options.
+	 * @return {Socket} for chaining.
+	 * @api public
+	 */
+
+	Socket.prototype.write = Socket.prototype.send = function (msg, options, fn) {
+	  this.sendPacket('message', msg, options, fn);
+	  return this;
+	};
+
+	/**
+	 * Sends a packet.
+	 *
+	 * @param {String} packet type.
+	 * @param {String} data.
+	 * @param {Object} options.
+	 * @param {Function} callback function.
+	 * @api private
+	 */
+
+	Socket.prototype.sendPacket = function (type, data, options, fn) {
+	  if ('function' === typeof data) {
+	    fn = data;
+	    data = undefined;
+	  }
+
+	  if ('function' === typeof options) {
+	    fn = options;
+	    options = null;
+	  }
+
+	  if ('closing' === this.readyState || 'closed' === this.readyState) {
+	    return;
+	  }
+
+	  options = options || {};
+	  options.compress = false !== options.compress;
+
+	  var packet = {
+	    type: type,
+	    data: data,
+	    options: options
+	  };
+	  this.emit('packetCreate', packet);
+	  this.writeBuffer.push(packet);
+	  if (fn) this.once('flush', fn);
+	  this.flush();
+	};
+
+	/**
+	 * Closes the connection.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.close = function () {
+	  if ('opening' === this.readyState || 'open' === this.readyState) {
+	    this.readyState = 'closing';
+
+	    var self = this;
+
+	    if (this.writeBuffer.length) {
+	      this.once('drain', function () {
+	        if (this.upgrading) {
+	          waitForUpgrade();
+	        } else {
+	          close();
+	        }
+	      });
+	    } else if (this.upgrading) {
+	      waitForUpgrade();
+	    } else {
+	      close();
+	    }
+	  }
+
+	  function close() {
+	    self.onClose('forced close');
+	    debug('socket closing - telling transport to close');
+	    self.transport.close();
+	  }
+
+	  function cleanupAndClose() {
+	    self.removeListener('upgrade', cleanupAndClose);
+	    self.removeListener('upgradeError', cleanupAndClose);
+	    close();
+	  }
+
+	  function waitForUpgrade() {
+	    // wait for upgrade to finish since we can't send packets while pausing a transport
+	    self.once('upgrade', cleanupAndClose);
+	    self.once('upgradeError', cleanupAndClose);
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Called upon transport error
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onError = function (err) {
+	  debug('socket error %j', err);
+	  Socket.priorWebsocketSuccess = false;
+	  this.emit('error', err);
+	  this.onClose('transport error', err);
+	};
+
+	/**
+	 * Called upon transport close.
+	 *
+	 * @api private
+	 */
+
+	Socket.prototype.onClose = function (reason, desc) {
+	  if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {
+	    debug('socket close with reason: "%s"', reason);
+	    var self = this;
+
+	    // clear timers
+	    clearTimeout(this.pingIntervalTimer);
+	    clearTimeout(this.pingTimeoutTimer);
+
+	    // stop event from firing again for transport
+	    this.transport.removeAllListeners('close');
+
+	    // ensure transport won't stay open
+	    this.transport.close();
+
+	    // ignore further transport communication
+	    this.transport.removeAllListeners();
+
+	    // set ready state
+	    this.readyState = 'closed';
+
+	    // clear session id
+	    this.id = null;
+
+	    // emit close event
+	    this.emit('close', reason, desc);
+
+	    // clean buffers after, so users can still
+	    // grab the buffers on `close` event
+	    self.writeBuffer = [];
+	    self.prevBufferLen = 0;
+	  }
+	};
+
+	/**
+	 * Filters upgrades, returning only those matching client transports.
+	 *
+	 * @param {Array} server upgrades
+	 * @api private
+	 *
+	 */
+
+	Socket.prototype.filterUpgrades = function (upgrades) {
+	  var filteredUpgrades = [];
+	  for (var i = 0, j = upgrades.length; i < j; i++) {
+	    if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
+	  }
+	  return filteredUpgrades;
+	};
+
+/***/ },
+/* 2 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies
+	 */
+
+	var XMLHttpRequest = __webpack_require__(3);
+	var XHR = __webpack_require__(5);
+	var JSONP = __webpack_require__(25);
+	var websocket = __webpack_require__(26);
+
+	/**
+	 * Export transports.
+	 */
+
+	exports.polling = polling;
+	exports.websocket = websocket;
+
+	/**
+	 * Polling transport polymorphic constructor.
+	 * Decides on xhr vs jsonp based on feature detection.
+	 *
+	 * @api private
+	 */
+
+	function polling(opts) {
+	  var xhr;
+	  var xd = false;
+	  var xs = false;
+	  var jsonp = false !== opts.jsonp;
+
+	  if (typeof location !== 'undefined') {
+	    var isSSL = 'https:' === location.protocol;
+	    var port = location.port;
+
+	    // some user agents have empty `location.port`
+	    if (!port) {
+	      port = isSSL ? 443 : 80;
+	    }
+
+	    xd = opts.hostname !== location.hostname || port !== opts.port;
+	    xs = opts.secure !== isSSL;
+	  }
+
+	  opts.xdomain = xd;
+	  opts.xscheme = xs;
+	  xhr = new XMLHttpRequest(opts);
+
+	  if ('open' in xhr && !opts.forceJSONP) {
+	    return new XHR(opts);
+	  } else {
+	    if (!jsonp) throw new Error('JSONP disabled');
+	    return new JSONP(opts);
+	  }
+	}
+
+/***/ },
+/* 3 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	// browser shim for xmlhttprequest module
+
+	var hasCORS = __webpack_require__(4);
+
+	module.exports = function (opts) {
+	  var xdomain = opts.xdomain;
+
+	  // scheme must be same when usign XDomainRequest
+	  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+	  var xscheme = opts.xscheme;
+
+	  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+	  // https://github.com/Automattic/engine.io-client/pull/217
+	  var enablesXDR = opts.enablesXDR;
+
+	  // XMLHttpRequest can be disabled on IE
+	  try {
+	    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+	      return new XMLHttpRequest();
+	    }
+	  } catch (e) {}
+
+	  // Use XDomainRequest for IE8 if enablesXDR is true
+	  // because loading bar keeps flashing when using jsonp-polling
+	  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+	  try {
+	    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
+	      return new XDomainRequest();
+	    }
+	  } catch (e) {}
+
+	  if (!xdomain) {
+	    try {
+	      return new self[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
+	    } catch (e) {}
+	  }
+	};
+
+/***/ },
+/* 4 */
+/***/ function(module, exports) {
+
+
+	/**
+	 * Module exports.
+	 *
+	 * Logic borrowed from Modernizr:
+	 *
+	 *   - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
+	 */
+
+	try {
+	  module.exports = typeof XMLHttpRequest !== 'undefined' &&
+	    'withCredentials' in new XMLHttpRequest();
+	} catch (err) {
+	  // if XMLHttp support is disabled in IE then it will throw
+	  // when trying to create
+	  module.exports = false;
+	}
+
+
+/***/ },
+/* 5 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/* global attachEvent */
+
+	/**
+	 * Module requirements.
+	 */
+
+	var XMLHttpRequest = __webpack_require__(3);
+	var Polling = __webpack_require__(6);
+	var Emitter = __webpack_require__(17);
+	var inherit = __webpack_require__(19);
+	var debug = __webpack_require__(21)('engine.io-client:polling-xhr');
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = XHR;
+	module.exports.Request = Request;
+
+	/**
+	 * Empty function
+	 */
+
+	function empty() {}
+
+	/**
+	 * XHR Polling constructor.
+	 *
+	 * @param {Object} opts
+	 * @api public
+	 */
+
+	function XHR(opts) {
+	  Polling.call(this, opts);
+	  this.requestTimeout = opts.requestTimeout;
+	  this.extraHeaders = opts.extraHeaders;
+
+	  if (typeof location !== 'undefined') {
+	    var isSSL = 'https:' === location.protocol;
+	    var port = location.port;
+
+	    // some user agents have empty `location.port`
+	    if (!port) {
+	      port = isSSL ? 443 : 80;
+	    }
+
+	    this.xd = typeof location !== 'undefined' && opts.hostname !== location.hostname || port !== opts.port;
+	    this.xs = opts.secure !== isSSL;
+	  }
+	}
+
+	/**
+	 * Inherits from Polling.
+	 */
+
+	inherit(XHR, Polling);
+
+	/**
+	 * XHR supports binary
+	 */
+
+	XHR.prototype.supportsBinary = true;
+
+	/**
+	 * Creates a request.
+	 *
+	 * @param {String} method
+	 * @api private
+	 */
+
+	XHR.prototype.request = function (opts) {
+	  opts = opts || {};
+	  opts.uri = this.uri();
+	  opts.xd = this.xd;
+	  opts.xs = this.xs;
+	  opts.agent = this.agent || false;
+	  opts.supportsBinary = this.supportsBinary;
+	  opts.enablesXDR = this.enablesXDR;
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+	  opts.requestTimeout = this.requestTimeout;
+
+	  // other options for Node.js client
+	  opts.extraHeaders = this.extraHeaders;
+
+	  return new Request(opts);
+	};
+
+	/**
+	 * Sends data.
+	 *
+	 * @param {String} data to send.
+	 * @param {Function} called upon flush.
+	 * @api private
+	 */
+
+	XHR.prototype.doWrite = function (data, fn) {
+	  var isBinary = typeof data !== 'string' && data !== undefined;
+	  var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
+	  var self = this;
+	  req.on('success', fn);
+	  req.on('error', function (err) {
+	    self.onError('xhr post error', err);
+	  });
+	  this.sendXhr = req;
+	};
+
+	/**
+	 * Starts a poll cycle.
+	 *
+	 * @api private
+	 */
+
+	XHR.prototype.doPoll = function () {
+	  debug('xhr poll');
+	  var req = this.request();
+	  var self = this;
+	  req.on('data', function (data) {
+	    self.onData(data);
+	  });
+	  req.on('error', function (err) {
+	    self.onError('xhr poll error', err);
+	  });
+	  this.pollXhr = req;
+	};
+
+	/**
+	 * Request constructor
+	 *
+	 * @param {Object} options
+	 * @api public
+	 */
+
+	function Request(opts) {
+	  this.method = opts.method || 'GET';
+	  this.uri = opts.uri;
+	  this.xd = !!opts.xd;
+	  this.xs = !!opts.xs;
+	  this.async = false !== opts.async;
+	  this.data = undefined !== opts.data ? opts.data : null;
+	  this.agent = opts.agent;
+	  this.isBinary = opts.isBinary;
+	  this.supportsBinary = opts.supportsBinary;
+	  this.enablesXDR = opts.enablesXDR;
+	  this.requestTimeout = opts.requestTimeout;
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx;
+	  this.key = opts.key;
+	  this.passphrase = opts.passphrase;
+	  this.cert = opts.cert;
+	  this.ca = opts.ca;
+	  this.ciphers = opts.ciphers;
+	  this.rejectUnauthorized = opts.rejectUnauthorized;
+
+	  // other options for Node.js client
+	  this.extraHeaders = opts.extraHeaders;
+
+	  this.create();
+	}
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Request.prototype);
+
+	/**
+	 * Creates the XHR object and sends the request.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.create = function () {
+	  var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+
+	  var xhr = this.xhr = new XMLHttpRequest(opts);
+	  var self = this;
+
+	  try {
+	    debug('xhr open %s: %s', this.method, this.uri);
+	    xhr.open(this.method, this.uri, this.async);
+	    try {
+	      if (this.extraHeaders) {
+	        xhr.setDisableHeaderCheck && xhr.setDisableHeaderCheck(true);
+	        for (var i in this.extraHeaders) {
+	          if (this.extraHeaders.hasOwnProperty(i)) {
+	            xhr.setRequestHeader(i, this.extraHeaders[i]);
+	          }
+	        }
+	      }
+	    } catch (e) {}
+
+	    if ('POST' === this.method) {
+	      try {
+	        if (this.isBinary) {
+	          xhr.setRequestHeader('Content-type', 'application/octet-stream');
+	        } else {
+	          xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
+	        }
+	      } catch (e) {}
+	    }
+
+	    try {
+	      xhr.setRequestHeader('Accept', '*/*');
+	    } catch (e) {}
+
+	    // ie6 check
+	    if ('withCredentials' in xhr) {
+	      xhr.withCredentials = true;
+	    }
+
+	    if (this.requestTimeout) {
+	      xhr.timeout = this.requestTimeout;
+	    }
+
+	    if (this.hasXDR()) {
+	      xhr.onload = function () {
+	        self.onLoad();
+	      };
+	      xhr.onerror = function () {
+	        self.onError(xhr.responseText);
+	      };
+	    } else {
+	      xhr.onreadystatechange = function () {
+	        if (xhr.readyState === 2) {
+	          try {
+	            var contentType = xhr.getResponseHeader('Content-Type');
+	            if (self.supportsBinary && contentType === 'application/octet-stream') {
+	              xhr.responseType = 'arraybuffer';
+	            }
+	          } catch (e) {}
+	        }
+	        if (4 !== xhr.readyState) return;
+	        if (200 === xhr.status || 1223 === xhr.status) {
+	          self.onLoad();
+	        } else {
+	          // make sure the `error` event handler that's user-set
+	          // does not throw in the same tick and gets caught here
+	          setTimeout(function () {
+	            self.onError(xhr.status);
+	          }, 0);
+	        }
+	      };
+	    }
+
+	    debug('xhr data %s', this.data);
+	    xhr.send(this.data);
+	  } catch (e) {
+	    // Need to defer since .create() is called directly fhrom the constructor
+	    // and thus the 'error' event can only be only bound *after* this exception
+	    // occurs.  Therefore, also, we cannot throw here at all.
+	    setTimeout(function () {
+	      self.onError(e);
+	    }, 0);
+	    return;
+	  }
+
+	  if (typeof document !== 'undefined') {
+	    this.index = Request.requestsCount++;
+	    Request.requests[this.index] = this;
+	  }
+	};
+
+	/**
+	 * Called upon successful response.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onSuccess = function () {
+	  this.emit('success');
+	  this.cleanup();
+	};
+
+	/**
+	 * Called if we have data.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onData = function (data) {
+	  this.emit('data', data);
+	  this.onSuccess();
+	};
+
+	/**
+	 * Called upon error.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onError = function (err) {
+	  this.emit('error', err);
+	  this.cleanup(true);
+	};
+
+	/**
+	 * Cleans up house.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.cleanup = function (fromError) {
+	  if ('undefined' === typeof this.xhr || null === this.xhr) {
+	    return;
+	  }
+	  // xmlhttprequest
+	  if (this.hasXDR()) {
+	    this.xhr.onload = this.xhr.onerror = empty;
+	  } else {
+	    this.xhr.onreadystatechange = empty;
+	  }
+
+	  if (fromError) {
+	    try {
+	      this.xhr.abort();
+	    } catch (e) {}
+	  }
+
+	  if (typeof document !== 'undefined') {
+	    delete Request.requests[this.index];
+	  }
+
+	  this.xhr = null;
+	};
+
+	/**
+	 * Called upon load.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.onLoad = function () {
+	  var data;
+	  try {
+	    var contentType;
+	    try {
+	      contentType = this.xhr.getResponseHeader('Content-Type');
+	    } catch (e) {}
+	    if (contentType === 'application/octet-stream') {
+	      data = this.xhr.response || this.xhr.responseText;
+	    } else {
+	      data = this.xhr.responseText;
+	    }
+	  } catch (e) {
+	    this.onError(e);
+	  }
+	  if (null != data) {
+	    this.onData(data);
+	  }
+	};
+
+	/**
+	 * Check if it has XDomainRequest.
+	 *
+	 * @api private
+	 */
+
+	Request.prototype.hasXDR = function () {
+	  return typeof XDomainRequest !== 'undefined' && !this.xs && this.enablesXDR;
+	};
+
+	/**
+	 * Aborts the request.
+	 *
+	 * @api public
+	 */
+
+	Request.prototype.abort = function () {
+	  this.cleanup();
+	};
+
+	/**
+	 * Aborts pending requests when unloading the window. This is needed to prevent
+	 * memory leaks (e.g. when using IE) and to ensure that no spurious error is
+	 * emitted.
+	 */
+
+	Request.requestsCount = 0;
+	Request.requests = {};
+
+	if (typeof document !== 'undefined') {
+	  if (typeof attachEvent === 'function') {
+	    attachEvent('onunload', unloadHandler);
+	  } else if (typeof addEventListener === 'function') {
+	    var terminationEvent = 'onpagehide' in self ? 'pagehide' : 'unload';
+	    addEventListener(terminationEvent, unloadHandler, false);
+	  }
+	}
+
+	function unloadHandler() {
+	  for (var i in Request.requests) {
+	    if (Request.requests.hasOwnProperty(i)) {
+	      Request.requests[i].abort();
+	    }
+	  }
+	}
+
+/***/ },
+/* 6 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var Transport = __webpack_require__(7);
+	var parseqs = __webpack_require__(18);
+	var parser = __webpack_require__(8);
+	var inherit = __webpack_require__(19);
+	var yeast = __webpack_require__(20);
+	var debug = __webpack_require__(21)('engine.io-client:polling');
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Polling;
+
+	/**
+	 * Is XHR2 supported?
+	 */
+
+	var hasXHR2 = function () {
+	  var XMLHttpRequest = __webpack_require__(3);
+	  var xhr = new XMLHttpRequest({ xdomain: false });
+	  return null != xhr.responseType;
+	}();
+
+	/**
+	 * Polling interface.
+	 *
+	 * @param {Object} opts
+	 * @api private
+	 */
+
+	function Polling(opts) {
+	  var forceBase64 = opts && opts.forceBase64;
+	  if (!hasXHR2 || forceBase64) {
+	    this.supportsBinary = false;
+	  }
+	  Transport.call(this, opts);
+	}
+
+	/**
+	 * Inherits from Transport.
+	 */
+
+	inherit(Polling, Transport);
+
+	/**
+	 * Transport name.
+	 */
+
+	Polling.prototype.name = 'polling';
+
+	/**
+	 * Opens the socket (triggers polling). We write a PING message to determine
+	 * when the transport is open.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.doOpen = function () {
+	  this.poll();
+	};
+
+	/**
+	 * Pauses polling.
+	 *
+	 * @param {Function} callback upon buffers are flushed and transport is paused
+	 * @api private
+	 */
+
+	Polling.prototype.pause = function (onPause) {
+	  var self = this;
+
+	  this.readyState = 'pausing';
+
+	  function pause() {
+	    debug('paused');
+	    self.readyState = 'paused';
+	    onPause();
+	  }
+
+	  if (this.polling || !this.writable) {
+	    var total = 0;
+
+	    if (this.polling) {
+	      debug('we are currently polling - waiting to pause');
+	      total++;
+	      this.once('pollComplete', function () {
+	        debug('pre-pause polling complete');
+	        --total || pause();
+	      });
+	    }
+
+	    if (!this.writable) {
+	      debug('we are currently writing - waiting to pause');
+	      total++;
+	      this.once('drain', function () {
+	        debug('pre-pause writing complete');
+	        --total || pause();
+	      });
+	    }
+	  } else {
+	    pause();
+	  }
+	};
+
+	/**
+	 * Starts polling cycle.
+	 *
+	 * @api public
+	 */
+
+	Polling.prototype.poll = function () {
+	  debug('polling');
+	  this.polling = true;
+	  this.doPoll();
+	  this.emit('poll');
+	};
+
+	/**
+	 * Overloads onData to detect payloads.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.onData = function (data) {
+	  var self = this;
+	  debug('polling got data %s', data);
+	  var callback = function callback(packet, index, total) {
+	    // if its the first message we consider the transport open
+	    if ('opening' === self.readyState) {
+	      self.onOpen();
+	    }
+
+	    // if its a close packet, we close the ongoing requests
+	    if ('close' === packet.type) {
+	      self.onClose();
+	      return false;
+	    }
+
+	    // otherwise bypass onData and handle the message
+	    self.onPacket(packet);
+	  };
+
+	  // decode payload
+	  parser.decodePayload(data, this.socket.binaryType, callback);
+
+	  // if an event did not trigger closing
+	  if ('closed' !== this.readyState) {
+	    // if we got data we're not polling
+	    this.polling = false;
+	    this.emit('pollComplete');
+
+	    if ('open' === this.readyState) {
+	      this.poll();
+	    } else {
+	      debug('ignoring poll - transport state "%s"', this.readyState);
+	    }
+	  }
+	};
+
+	/**
+	 * For polling, send a close packet.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.doClose = function () {
+	  var self = this;
+
+	  function close() {
+	    debug('writing close packet');
+	    self.write([{ type: 'close' }]);
+	  }
+
+	  if ('open' === this.readyState) {
+	    debug('transport open - closing');
+	    close();
+	  } else {
+	    // in case we're trying to close while
+	    // handshaking is in progress (GH-164)
+	    debug('transport not open - deferring close');
+	    this.once('open', close);
+	  }
+	};
+
+	/**
+	 * Writes a packets payload.
+	 *
+	 * @param {Array} data packets
+	 * @param {Function} drain callback
+	 * @api private
+	 */
+
+	Polling.prototype.write = function (packets) {
+	  var self = this;
+	  this.writable = false;
+	  var callbackfn = function callbackfn() {
+	    self.writable = true;
+	    self.emit('drain');
+	  };
+
+	  parser.encodePayload(packets, this.supportsBinary, function (data) {
+	    self.doWrite(data, callbackfn);
+	  });
+	};
+
+	/**
+	 * Generates uri for connection.
+	 *
+	 * @api private
+	 */
+
+	Polling.prototype.uri = function () {
+	  var query = this.query || {};
+	  var schema = this.secure ? 'https' : 'http';
+	  var port = '';
+
+	  // cache busting is forced
+	  if (false !== this.timestampRequests) {
+	    query[this.timestampParam] = yeast();
+	  }
+
+	  if (!this.supportsBinary && !query.sid) {
+	    query.b64 = 1;
+	  }
+
+	  query = parseqs.encode(query);
+
+	  // avoid port if default for schema
+	  if (this.port && ('https' === schema && Number(this.port) !== 443 || 'http' === schema && Number(this.port) !== 80)) {
+	    port = ':' + this.port;
+	  }
+
+	  // prepend ? to query
+	  if (query.length) {
+	    query = '?' + query;
+	  }
+
+	  var ipv6 = this.hostname.indexOf(':') !== -1;
+	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+	};
+
+/***/ },
+/* 7 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var parser = __webpack_require__(8);
+	var Emitter = __webpack_require__(17);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = Transport;
+
+	/**
+	 * Transport abstract constructor.
+	 *
+	 * @param {Object} options.
+	 * @api private
+	 */
+
+	function Transport(opts) {
+	  this.path = opts.path;
+	  this.hostname = opts.hostname;
+	  this.port = opts.port;
+	  this.secure = opts.secure;
+	  this.query = opts.query;
+	  this.timestampParam = opts.timestampParam;
+	  this.timestampRequests = opts.timestampRequests;
+	  this.readyState = '';
+	  this.agent = opts.agent || false;
+	  this.socket = opts.socket;
+	  this.enablesXDR = opts.enablesXDR;
+
+	  // SSL options for Node.js client
+	  this.pfx = opts.pfx;
+	  this.key = opts.key;
+	  this.passphrase = opts.passphrase;
+	  this.cert = opts.cert;
+	  this.ca = opts.ca;
+	  this.ciphers = opts.ciphers;
+	  this.rejectUnauthorized = opts.rejectUnauthorized;
+	  this.forceNode = opts.forceNode;
+
+	  // results of ReactNative environment detection
+	  this.isReactNative = opts.isReactNative;
+
+	  // other options for Node.js client
+	  this.extraHeaders = opts.extraHeaders;
+	  this.localAddress = opts.localAddress;
+	}
+
+	/**
+	 * Mix in `Emitter`.
+	 */
+
+	Emitter(Transport.prototype);
+
+	/**
+	 * Emits an error.
+	 *
+	 * @param {String} str
+	 * @return {Transport} for chaining
+	 * @api public
+	 */
+
+	Transport.prototype.onError = function (msg, desc) {
+	  var err = new Error(msg);
+	  err.type = 'TransportError';
+	  err.description = desc;
+	  this.emit('error', err);
+	  return this;
+	};
+
+	/**
+	 * Opens the transport.
+	 *
+	 * @api public
+	 */
+
+	Transport.prototype.open = function () {
+	  if ('closed' === this.readyState || '' === this.readyState) {
+	    this.readyState = 'opening';
+	    this.doOpen();
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Closes the transport.
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.close = function () {
+	  if ('opening' === this.readyState || 'open' === this.readyState) {
+	    this.doClose();
+	    this.onClose();
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Sends multiple packets.
+	 *
+	 * @param {Array} packets
+	 * @api private
+	 */
+
+	Transport.prototype.send = function (packets) {
+	  if ('open' === this.readyState) {
+	    this.write(packets);
+	  } else {
+	    throw new Error('Transport not open');
+	  }
+	};
+
+	/**
+	 * Called upon open
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.onOpen = function () {
+	  this.readyState = 'open';
+	  this.writable = true;
+	  this.emit('open');
+	};
+
+	/**
+	 * Called with data.
+	 *
+	 * @param {String} data
+	 * @api private
+	 */
+
+	Transport.prototype.onData = function (data) {
+	  var packet = parser.decodePacket(data, this.socket.binaryType);
+	  this.onPacket(packet);
+	};
+
+	/**
+	 * Called with a decoded packet.
+	 */
+
+	Transport.prototype.onPacket = function (packet) {
+	  this.emit('packet', packet);
+	};
+
+	/**
+	 * Called upon close.
+	 *
+	 * @api private
+	 */
+
+	Transport.prototype.onClose = function () {
+	  this.readyState = 'closed';
+	  this.emit('close');
+	};
+
+/***/ },
+/* 8 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var keys = __webpack_require__(9);
+	var hasBinary = __webpack_require__(10);
+	var sliceBuffer = __webpack_require__(12);
+	var after = __webpack_require__(13);
+	var utf8 = __webpack_require__(14);
+
+	var base64encoder;
+	if (typeof ArrayBuffer !== 'undefined') {
+	  base64encoder = __webpack_require__(15);
+	}
+
+	/**
+	 * Check if we are running an android browser. That requires us to use
+	 * ArrayBuffer with polling transports...
+	 *
+	 * http://ghinda.net/jpeg-blob-ajax-android/
+	 */
+
+	var isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);
+
+	/**
+	 * Check if we are running in PhantomJS.
+	 * Uploading a Blob with PhantomJS does not work correctly, as reported here:
+	 * https://github.com/ariya/phantomjs/issues/11395
+	 * @type boolean
+	 */
+	var isPhantomJS = typeof navigator !== 'undefined' && /PhantomJS/i.test(navigator.userAgent);
+
+	/**
+	 * When true, avoids using Blobs to encode payloads.
+	 * @type boolean
+	 */
+	var dontSendBlobs = isAndroid || isPhantomJS;
+
+	/**
+	 * Current protocol version.
+	 */
+
+	exports.protocol = 3;
+
+	/**
+	 * Packet types.
+	 */
+
+	var packets = exports.packets = {
+	    open:     0    // non-ws
+	  , close:    1    // non-ws
+	  , ping:     2
+	  , pong:     3
+	  , message:  4
+	  , upgrade:  5
+	  , noop:     6
+	};
+
+	var packetslist = keys(packets);
+
+	/**
+	 * Premade error packet.
+	 */
+
+	var err = { type: 'error', data: 'parser error' };
+
+	/**
+	 * Create a blob api even for blob builder when vendor prefixes exist
+	 */
+
+	var Blob = __webpack_require__(16);
+
+	/**
+	 * Encodes a packet.
+	 *
+	 *     <packet type id> [ <data> ]
+	 *
+	 * Example:
+	 *
+	 *     5hello world
+	 *     3
+	 *     4
+	 *
+	 * Binary is encoded in an identical principle
+	 *
+	 * @api private
+	 */
+
+	exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
+	  if (typeof supportsBinary === 'function') {
+	    callback = supportsBinary;
+	    supportsBinary = false;
+	  }
+
+	  if (typeof utf8encode === 'function') {
+	    callback = utf8encode;
+	    utf8encode = null;
+	  }
+
+	  var data = (packet.data === undefined)
+	    ? undefined
+	    : packet.data.buffer || packet.data;
+
+	  if (typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) {
+	    return encodeArrayBuffer(packet, supportsBinary, callback);
+	  } else if (typeof Blob !== 'undefined' && data instanceof Blob) {
+	    return encodeBlob(packet, supportsBinary, callback);
+	  }
+
+	  // might be an object with { base64: true, data: dataAsBase64String }
+	  if (data && data.base64) {
+	    return encodeBase64Object(packet, callback);
+	  }
+
+	  // Sending data as a utf-8 string
+	  var encoded = packets[packet.type];
+
+	  // data fragment is optional
+	  if (undefined !== packet.data) {
+	    encoded += utf8encode ? utf8.encode(String(packet.data), { strict: false }) : String(packet.data);
+	  }
+
+	  return callback('' + encoded);
+
+	};
+
+	function encodeBase64Object(packet, callback) {
+	  // packet data is an object { base64: true, data: dataAsBase64String }
+	  var message = 'b' + exports.packets[packet.type] + packet.data.data;
+	  return callback(message);
+	}
+
+	/**
+	 * Encode packet helpers for binary types
+	 */
+
+	function encodeArrayBuffer(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  var data = packet.data;
+	  var contentArray = new Uint8Array(data);
+	  var resultBuffer = new Uint8Array(1 + data.byteLength);
+
+	  resultBuffer[0] = packets[packet.type];
+	  for (var i = 0; i < contentArray.length; i++) {
+	    resultBuffer[i+1] = contentArray[i];
+	  }
+
+	  return callback(resultBuffer.buffer);
+	}
+
+	function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  var fr = new FileReader();
+	  fr.onload = function() {
+	    exports.encodePacket({ type: packet.type, data: fr.result }, supportsBinary, true, callback);
+	  };
+	  return fr.readAsArrayBuffer(packet.data);
+	}
+
+	function encodeBlob(packet, supportsBinary, callback) {
+	  if (!supportsBinary) {
+	    return exports.encodeBase64Packet(packet, callback);
+	  }
+
+	  if (dontSendBlobs) {
+	    return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
+	  }
+
+	  var length = new Uint8Array(1);
+	  length[0] = packets[packet.type];
+	  var blob = new Blob([length.buffer, packet.data]);
+
+	  return callback(blob);
+	}
+
+	/**
+	 * Encodes a packet with binary data in a base64 string
+	 *
+	 * @param {Object} packet, has `type` and `data`
+	 * @return {String} base64 encoded message
+	 */
+
+	exports.encodeBase64Packet = function(packet, callback) {
+	  var message = 'b' + exports.packets[packet.type];
+	  if (typeof Blob !== 'undefined' && packet.data instanceof Blob) {
+	    var fr = new FileReader();
+	    fr.onload = function() {
+	      var b64 = fr.result.split(',')[1];
+	      callback(message + b64);
+	    };
+	    return fr.readAsDataURL(packet.data);
+	  }
+
+	  var b64data;
+	  try {
+	    b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
+	  } catch (e) {
+	    // iPhone Safari doesn't let you apply with typed arrays
+	    var typed = new Uint8Array(packet.data);
+	    var basic = new Array(typed.length);
+	    for (var i = 0; i < typed.length; i++) {
+	      basic[i] = typed[i];
+	    }
+	    b64data = String.fromCharCode.apply(null, basic);
+	  }
+	  message += btoa(b64data);
+	  return callback(message);
+	};
+
+	/**
+	 * Decodes a packet. Changes format to Blob if requested.
+	 *
+	 * @return {Object} with `type` and `data` (if any)
+	 * @api private
+	 */
+
+	exports.decodePacket = function (data, binaryType, utf8decode) {
+	  if (data === undefined) {
+	    return err;
+	  }
+	  // String data
+	  if (typeof data === 'string') {
+	    if (data.charAt(0) === 'b') {
+	      return exports.decodeBase64Packet(data.substr(1), binaryType);
+	    }
+
+	    if (utf8decode) {
+	      data = tryDecode(data);
+	      if (data === false) {
+	        return err;
+	      }
+	    }
+	    var type = data.charAt(0);
+
+	    if (Number(type) != type || !packetslist[type]) {
+	      return err;
+	    }
+
+	    if (data.length > 1) {
+	      return { type: packetslist[type], data: data.substring(1) };
+	    } else {
+	      return { type: packetslist[type] };
+	    }
+	  }
+
+	  var asArray = new Uint8Array(data);
+	  var type = asArray[0];
+	  var rest = sliceBuffer(data, 1);
+	  if (Blob && binaryType === 'blob') {
+	    rest = new Blob([rest]);
+	  }
+	  return { type: packetslist[type], data: rest };
+	};
+
+	function tryDecode(data) {
+	  try {
+	    data = utf8.decode(data, { strict: false });
+	  } catch (e) {
+	    return false;
+	  }
+	  return data;
+	}
+
+	/**
+	 * Decodes a packet encoded in a base64 string
+	 *
+	 * @param {String} base64 encoded message
+	 * @return {Object} with `type` and `data` (if any)
+	 */
+
+	exports.decodeBase64Packet = function(msg, binaryType) {
+	  var type = packetslist[msg.charAt(0)];
+	  if (!base64encoder) {
+	    return { type: type, data: { base64: true, data: msg.substr(1) } };
+	  }
+
+	  var data = base64encoder.decode(msg.substr(1));
+
+	  if (binaryType === 'blob' && Blob) {
+	    data = new Blob([data]);
+	  }
+
+	  return { type: type, data: data };
+	};
+
+	/**
+	 * Encodes multiple messages (payload).
+	 *
+	 *     <length>:data
+	 *
+	 * Example:
+	 *
+	 *     11:hello world2:hi
+	 *
+	 * If any contents are binary, they will be encoded as base64 strings. Base64
+	 * encoded strings are marked with a b before the length specifier
+	 *
+	 * @param {Array} packets
+	 * @api private
+	 */
+
+	exports.encodePayload = function (packets, supportsBinary, callback) {
+	  if (typeof supportsBinary === 'function') {
+	    callback = supportsBinary;
+	    supportsBinary = null;
+	  }
+
+	  var isBinary = hasBinary(packets);
+
+	  if (supportsBinary && isBinary) {
+	    if (Blob && !dontSendBlobs) {
+	      return exports.encodePayloadAsBlob(packets, callback);
+	    }
+
+	    return exports.encodePayloadAsArrayBuffer(packets, callback);
+	  }
+
+	  if (!packets.length) {
+	    return callback('0:');
+	  }
+
+	  function setLengthHeader(message) {
+	    return message.length + ':' + message;
+	  }
+
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, !isBinary ? false : supportsBinary, false, function(message) {
+	      doneCallback(null, setLengthHeader(message));
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, results) {
+	    return callback(results.join(''));
+	  });
+	};
+
+	/**
+	 * Async array map using after
+	 */
+
+	function map(ary, each, done) {
+	  var result = new Array(ary.length);
+	  var next = after(ary.length, done);
+
+	  var eachWithIndex = function(i, el, cb) {
+	    each(el, function(error, msg) {
+	      result[i] = msg;
+	      cb(error, result);
+	    });
+	  };
+
+	  for (var i = 0; i < ary.length; i++) {
+	    eachWithIndex(i, ary[i], next);
+	  }
+	}
+
+	/*
+	 * Decodes data when a payload is maybe expected. Possible binary contents are
+	 * decoded from their base64 representation
+	 *
+	 * @param {String} data, callback method
+	 * @api public
+	 */
+
+	exports.decodePayload = function (data, binaryType, callback) {
+	  if (typeof data !== 'string') {
+	    return exports.decodePayloadAsBinary(data, binaryType, callback);
+	  }
+
+	  if (typeof binaryType === 'function') {
+	    callback = binaryType;
+	    binaryType = null;
+	  }
+
+	  var packet;
+	  if (data === '') {
+	    // parser error - ignoring payload
+	    return callback(err, 0, 1);
+	  }
+
+	  var length = '', n, msg;
+
+	  for (var i = 0, l = data.length; i < l; i++) {
+	    var chr = data.charAt(i);
+
+	    if (chr !== ':') {
+	      length += chr;
+	      continue;
+	    }
+
+	    if (length === '' || (length != (n = Number(length)))) {
+	      // parser error - ignoring payload
+	      return callback(err, 0, 1);
+	    }
+
+	    msg = data.substr(i + 1, n);
+
+	    if (length != msg.length) {
+	      // parser error - ignoring payload
+	      return callback(err, 0, 1);
+	    }
+
+	    if (msg.length) {
+	      packet = exports.decodePacket(msg, binaryType, false);
+
+	      if (err.type === packet.type && err.data === packet.data) {
+	        // parser error in individual packet - ignoring payload
+	        return callback(err, 0, 1);
+	      }
+
+	      var ret = callback(packet, i + n, l);
+	      if (false === ret) return;
+	    }
+
+	    // advance cursor
+	    i += n;
+	    length = '';
+	  }
+
+	  if (length !== '') {
+	    // parser error - ignoring payload
+	    return callback(err, 0, 1);
+	  }
+
+	};
+
+	/**
+	 * Encodes multiple messages (payload) as binary.
+	 *
+	 * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
+	 * 255><data>
+	 *
+	 * Example:
+	 * 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
+	 *
+	 * @param {Array} packets
+	 * @return {ArrayBuffer} encoded payload
+	 * @api private
+	 */
+
+	exports.encodePayloadAsArrayBuffer = function(packets, callback) {
+	  if (!packets.length) {
+	    return callback(new ArrayBuffer(0));
+	  }
+
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, true, true, function(data) {
+	      return doneCallback(null, data);
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, encodedPackets) {
+	    var totalLength = encodedPackets.reduce(function(acc, p) {
+	      var len;
+	      if (typeof p === 'string'){
+	        len = p.length;
+	      } else {
+	        len = p.byteLength;
+	      }
+	      return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
+	    }, 0);
+
+	    var resultArray = new Uint8Array(totalLength);
+
+	    var bufferIndex = 0;
+	    encodedPackets.forEach(function(p) {
+	      var isString = typeof p === 'string';
+	      var ab = p;
+	      if (isString) {
+	        var view = new Uint8Array(p.length);
+	        for (var i = 0; i < p.length; i++) {
+	          view[i] = p.charCodeAt(i);
+	        }
+	        ab = view.buffer;
+	      }
+
+	      if (isString) { // not true binary
+	        resultArray[bufferIndex++] = 0;
+	      } else { // true binary
+	        resultArray[bufferIndex++] = 1;
+	      }
+
+	      var lenStr = ab.byteLength.toString();
+	      for (var i = 0; i < lenStr.length; i++) {
+	        resultArray[bufferIndex++] = parseInt(lenStr[i]);
+	      }
+	      resultArray[bufferIndex++] = 255;
+
+	      var view = new Uint8Array(ab);
+	      for (var i = 0; i < view.length; i++) {
+	        resultArray[bufferIndex++] = view[i];
+	      }
+	    });
+
+	    return callback(resultArray.buffer);
+	  });
+	};
+
+	/**
+	 * Encode as Blob
+	 */
+
+	exports.encodePayloadAsBlob = function(packets, callback) {
+	  function encodeOne(packet, doneCallback) {
+	    exports.encodePacket(packet, true, true, function(encoded) {
+	      var binaryIdentifier = new Uint8Array(1);
+	      binaryIdentifier[0] = 1;
+	      if (typeof encoded === 'string') {
+	        var view = new Uint8Array(encoded.length);
+	        for (var i = 0; i < encoded.length; i++) {
+	          view[i] = encoded.charCodeAt(i);
+	        }
+	        encoded = view.buffer;
+	        binaryIdentifier[0] = 0;
+	      }
+
+	      var len = (encoded instanceof ArrayBuffer)
+	        ? encoded.byteLength
+	        : encoded.size;
+
+	      var lenStr = len.toString();
+	      var lengthAry = new Uint8Array(lenStr.length + 1);
+	      for (var i = 0; i < lenStr.length; i++) {
+	        lengthAry[i] = parseInt(lenStr[i]);
+	      }
+	      lengthAry[lenStr.length] = 255;
+
+	      if (Blob) {
+	        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
+	        doneCallback(null, blob);
+	      }
+	    });
+	  }
+
+	  map(packets, encodeOne, function(err, results) {
+	    return callback(new Blob(results));
+	  });
+	};
+
+	/*
+	 * Decodes data when a payload is maybe expected. Strings are decoded by
+	 * interpreting each byte as a key code for entries marked to start with 0. See
+	 * description of encodePayloadAsBinary
+	 *
+	 * @param {ArrayBuffer} data, callback method
+	 * @api public
+	 */
+
+	exports.decodePayloadAsBinary = function (data, binaryType, callback) {
+	  if (typeof binaryType === 'function') {
+	    callback = binaryType;
+	    binaryType = null;
+	  }
+
+	  var bufferTail = data;
+	  var buffers = [];
+
+	  while (bufferTail.byteLength > 0) {
+	    var tailArray = new Uint8Array(bufferTail);
+	    var isString = tailArray[0] === 0;
+	    var msgLength = '';
+
+	    for (var i = 1; ; i++) {
+	      if (tailArray[i] === 255) break;
+
+	      // 310 = char length of Number.MAX_VALUE
+	      if (msgLength.length > 310) {
+	        return callback(err, 0, 1);
+	      }
+
+	      msgLength += tailArray[i];
+	    }
+
+	    bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
+	    msgLength = parseInt(msgLength);
+
+	    var msg = sliceBuffer(bufferTail, 0, msgLength);
+	    if (isString) {
+	      try {
+	        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
+	      } catch (e) {
+	        // iPhone Safari doesn't let you apply to typed arrays
+	        var typed = new Uint8Array(msg);
+	        msg = '';
+	        for (var i = 0; i < typed.length; i++) {
+	          msg += String.fromCharCode(typed[i]);
+	        }
+	      }
+	    }
+
+	    buffers.push(msg);
+	    bufferTail = sliceBuffer(bufferTail, msgLength);
+	  }
+
+	  var total = buffers.length;
+	  buffers.forEach(function(buffer, i) {
+	    callback(exports.decodePacket(buffer, binaryType, true), i, total);
+	  });
+	};
+
+
+/***/ },
+/* 9 */
+/***/ function(module, exports) {
+
+
+	/**
+	 * Gets the keys for an object.
+	 *
+	 * @return {Array} keys
+	 * @api private
+	 */
+
+	module.exports = Object.keys || function keys (obj){
+	  var arr = [];
+	  var has = Object.prototype.hasOwnProperty;
+
+	  for (var i in obj) {
+	    if (has.call(obj, i)) {
+	      arr.push(i);
+	    }
+	  }
+	  return arr;
+	};
+
+
+/***/ },
+/* 10 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* global Blob File */
+
+	/*
+	 * Module requirements.
+	 */
+
+	var isArray = __webpack_require__(11);
+
+	var toString = Object.prototype.toString;
+	var withNativeBlob = typeof Blob === 'function' ||
+	                        typeof Blob !== 'undefined' && toString.call(Blob) === '[object BlobConstructor]';
+	var withNativeFile = typeof File === 'function' ||
+	                        typeof File !== 'undefined' && toString.call(File) === '[object FileConstructor]';
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = hasBinary;
+
+	/**
+	 * Checks for binary data.
+	 *
+	 * Supports Buffer, ArrayBuffer, Blob and File.
+	 *
+	 * @param {Object} anything
+	 * @api public
+	 */
+
+	function hasBinary (obj) {
+	  if (!obj || typeof obj !== 'object') {
+	    return false;
+	  }
+
+	  if (isArray(obj)) {
+	    for (var i = 0, l = obj.length; i < l; i++) {
+	      if (hasBinary(obj[i])) {
+	        return true;
+	      }
+	    }
+	    return false;
+	  }
+
+	  if ((typeof Buffer === 'function' && Buffer.isBuffer && Buffer.isBuffer(obj)) ||
+	    (typeof ArrayBuffer === 'function' && obj instanceof ArrayBuffer) ||
+	    (withNativeBlob && obj instanceof Blob) ||
+	    (withNativeFile && obj instanceof File)
+	  ) {
+	    return true;
+	  }
+
+	  // see: https://github.com/Automattic/has-binary/pull/4
+	  if (obj.toJSON && typeof obj.toJSON === 'function' && arguments.length === 1) {
+	    return hasBinary(obj.toJSON(), true);
+	  }
+
+	  for (var key in obj) {
+	    if (Object.prototype.hasOwnProperty.call(obj, key) && hasBinary(obj[key])) {
+	      return true;
+	    }
+	  }
+
+	  return false;
+	}
+
+
+/***/ },
+/* 11 */
+/***/ function(module, exports) {
+
+	var toString = {}.toString;
+
+	module.exports = Array.isArray || function (arr) {
+	  return toString.call(arr) == '[object Array]';
+	};
+
+
+/***/ },
+/* 12 */
+/***/ function(module, exports) {
+
+	/**
+	 * An abstraction for slicing an arraybuffer even when
+	 * ArrayBuffer.prototype.slice is not supported
+	 *
+	 * @api public
+	 */
+
+	module.exports = function(arraybuffer, start, end) {
+	  var bytes = arraybuffer.byteLength;
+	  start = start || 0;
+	  end = end || bytes;
+
+	  if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
+
+	  if (start < 0) { start += bytes; }
+	  if (end < 0) { end += bytes; }
+	  if (end > bytes) { end = bytes; }
+
+	  if (start >= bytes || start >= end || bytes === 0) {
+	    return new ArrayBuffer(0);
+	  }
+
+	  var abv = new Uint8Array(arraybuffer);
+	  var result = new Uint8Array(end - start);
+	  for (var i = start, ii = 0; i < end; i++, ii++) {
+	    result[ii] = abv[i];
+	  }
+	  return result.buffer;
+	};
+
+
+/***/ },
+/* 13 */
+/***/ function(module, exports) {
+
+	module.exports = after
+
+	function after(count, callback, err_cb) {
+	    var bail = false
+	    err_cb = err_cb || noop
+	    proxy.count = count
+
+	    return (count === 0) ? callback() : proxy
+
+	    function proxy(err, result) {
+	        if (proxy.count <= 0) {
+	            throw new Error('after called too many times')
+	        }
+	        --proxy.count
+
+	        // after first error, rest are passed to err_cb
+	        if (err) {
+	            bail = true
+	            callback(err)
+	            // future error callbacks will go to error handler
+	            callback = err_cb
+	        } else if (proxy.count === 0 && !bail) {
+	            callback(null, result)
+	        }
+	    }
+	}
+
+	function noop() {}
+
+
+/***/ },
+/* 14 */
+/***/ function(module, exports) {
+
+	/*! https://mths.be/utf8js v2.1.2 by @mathias */
+
+	var stringFromCharCode = String.fromCharCode;
+
+	// Taken from https://mths.be/punycode
+	function ucs2decode(string) {
+		var output = [];
+		var counter = 0;
+		var length = string.length;
+		var value;
+		var extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	// Taken from https://mths.be/punycode
+	function ucs2encode(array) {
+		var length = array.length;
+		var index = -1;
+		var value;
+		var output = '';
+		while (++index < length) {
+			value = array[index];
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+		}
+		return output;
+	}
+
+	function checkScalarValue(codePoint, strict) {
+		if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
+			if (strict) {
+				throw Error(
+					'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +
+					' is not a scalar value'
+				);
+			}
+			return false;
+		}
+		return true;
+	}
+	/*--------------------------------------------------------------------------*/
+
+	function createByte(codePoint, shift) {
+		return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
+	}
+
+	function encodeCodePoint(codePoint, strict) {
+		if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
+			return stringFromCharCode(codePoint);
+		}
+		var symbol = '';
+		if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
+		}
+		else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
+			if (!checkScalarValue(codePoint, strict)) {
+				codePoint = 0xFFFD;
+			}
+			symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
+			symbol += createByte(codePoint, 6);
+		}
+		else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
+			symbol += createByte(codePoint, 12);
+			symbol += createByte(codePoint, 6);
+		}
+		symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
+		return symbol;
+	}
+
+	function utf8encode(string, opts) {
+		opts = opts || {};
+		var strict = false !== opts.strict;
+
+		var codePoints = ucs2decode(string);
+		var length = codePoints.length;
+		var index = -1;
+		var codePoint;
+		var byteString = '';
+		while (++index < length) {
+			codePoint = codePoints[index];
+			byteString += encodeCodePoint(codePoint, strict);
+		}
+		return byteString;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	function readContinuationByte() {
+		if (byteIndex >= byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		var continuationByte = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		if ((continuationByte & 0xC0) == 0x80) {
+			return continuationByte & 0x3F;
+		}
+
+		// If we end up here, it’s not a continuation byte
+		throw Error('Invalid continuation byte');
+	}
+
+	function decodeSymbol(strict) {
+		var byte1;
+		var byte2;
+		var byte3;
+		var byte4;
+		var codePoint;
+
+		if (byteIndex > byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		if (byteIndex == byteCount) {
+			return false;
+		}
+
+		// Read first byte
+		byte1 = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		// 1-byte sequence (no continuation bytes)
+		if ((byte1 & 0x80) == 0) {
+			return byte1;
+		}
+
+		// 2-byte sequence
+		if ((byte1 & 0xE0) == 0xC0) {
+			byte2 = readContinuationByte();
+			codePoint = ((byte1 & 0x1F) << 6) | byte2;
+			if (codePoint >= 0x80) {
+				return codePoint;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 3-byte sequence (may include unpaired surrogates)
+		if ((byte1 & 0xF0) == 0xE0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
+			if (codePoint >= 0x0800) {
+				return checkScalarValue(codePoint, strict) ? codePoint : 0xFFFD;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 4-byte sequence
+		if ((byte1 & 0xF8) == 0xF0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			byte4 = readContinuationByte();
+			codePoint = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0C) |
+				(byte3 << 0x06) | byte4;
+			if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
+				return codePoint;
+			}
+		}
+
+		throw Error('Invalid UTF-8 detected');
+	}
+
+	var byteArray;
+	var byteCount;
+	var byteIndex;
+	function utf8decode(byteString, opts) {
+		opts = opts || {};
+		var strict = false !== opts.strict;
+
+		byteArray = ucs2decode(byteString);
+		byteCount = byteArray.length;
+		byteIndex = 0;
+		var codePoints = [];
+		var tmp;
+		while ((tmp = decodeSymbol(strict)) !== false) {
+			codePoints.push(tmp);
+		}
+		return ucs2encode(codePoints);
+	}
+
+	module.exports = {
+		version: '2.1.2',
+		encode: utf8encode,
+		decode: utf8decode
+	};
+
+
+/***/ },
+/* 15 */
+/***/ function(module, exports) {
+
+	/*
+	 * base64-arraybuffer
+	 * https://github.com/niklasvh/base64-arraybuffer
+	 *
+	 * Copyright (c) 2012 Niklas von Hertzen
+	 * Licensed under the MIT license.
+	 */
+	(function(){
+	  "use strict";
+
+	  var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+	  // Use a lookup table to find the index.
+	  var lookup = new Uint8Array(256);
+	  for (var i = 0; i < chars.length; i++) {
+	    lookup[chars.charCodeAt(i)] = i;
+	  }
+
+	  exports.encode = function(arraybuffer) {
+	    var bytes = new Uint8Array(arraybuffer),
+	    i, len = bytes.length, base64 = "";
+
+	    for (i = 0; i < len; i+=3) {
+	      base64 += chars[bytes[i] >> 2];
+	      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+	      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+	      base64 += chars[bytes[i + 2] & 63];
+	    }
+
+	    if ((len % 3) === 2) {
+	      base64 = base64.substring(0, base64.length - 1) + "=";
+	    } else if (len % 3 === 1) {
+	      base64 = base64.substring(0, base64.length - 2) + "==";
+	    }
+
+	    return base64;
+	  };
+
+	  exports.decode =  function(base64) {
+	    var bufferLength = base64.length * 0.75,
+	    len = base64.length, i, p = 0,
+	    encoded1, encoded2, encoded3, encoded4;
+
+	    if (base64[base64.length - 1] === "=") {
+	      bufferLength--;
+	      if (base64[base64.length - 2] === "=") {
+	        bufferLength--;
+	      }
+	    }
+
+	    var arraybuffer = new ArrayBuffer(bufferLength),
+	    bytes = new Uint8Array(arraybuffer);
+
+	    for (i = 0; i < len; i+=4) {
+	      encoded1 = lookup[base64.charCodeAt(i)];
+	      encoded2 = lookup[base64.charCodeAt(i+1)];
+	      encoded3 = lookup[base64.charCodeAt(i+2)];
+	      encoded4 = lookup[base64.charCodeAt(i+3)];
+
+	      bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+	      bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+	      bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+	    }
+
+	    return arraybuffer;
+	  };
+	})();
+
+
+/***/ },
+/* 16 */
+/***/ function(module, exports) {
+
+	/**
+	 * Create a blob builder even when vendor prefixes exist
+	 */
+
+	var BlobBuilder = typeof BlobBuilder !== 'undefined' ? BlobBuilder :
+	  typeof WebKitBlobBuilder !== 'undefined' ? WebKitBlobBuilder :
+	  typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder :
+	  typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : 
+	  false;
+
+	/**
+	 * Check if Blob constructor is supported
+	 */
+
+	var blobSupported = (function() {
+	  try {
+	    var a = new Blob(['hi']);
+	    return a.size === 2;
+	  } catch(e) {
+	    return false;
+	  }
+	})();
+
+	/**
+	 * Check if Blob constructor supports ArrayBufferViews
+	 * Fails in Safari 6, so we need to map to ArrayBuffers there.
+	 */
+
+	var blobSupportsArrayBufferView = blobSupported && (function() {
+	  try {
+	    var b = new Blob([new Uint8Array([1,2])]);
+	    return b.size === 2;
+	  } catch(e) {
+	    return false;
+	  }
+	})();
+
+	/**
+	 * Check if BlobBuilder is supported
+	 */
+
+	var blobBuilderSupported = BlobBuilder
+	  && BlobBuilder.prototype.append
+	  && BlobBuilder.prototype.getBlob;
+
+	/**
+	 * Helper function that maps ArrayBufferViews to ArrayBuffers
+	 * Used by BlobBuilder constructor and old browsers that didn't
+	 * support it in the Blob constructor.
+	 */
+
+	function mapArrayBufferViews(ary) {
+	  return ary.map(function(chunk) {
+	    if (chunk.buffer instanceof ArrayBuffer) {
+	      var buf = chunk.buffer;
+
+	      // if this is a subarray, make a copy so we only
+	      // include the subarray region from the underlying buffer
+	      if (chunk.byteLength !== buf.byteLength) {
+	        var copy = new Uint8Array(chunk.byteLength);
+	        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
+	        buf = copy.buffer;
+	      }
+
+	      return buf;
+	    }
+
+	    return chunk;
+	  });
+	}
+
+	function BlobBuilderConstructor(ary, options) {
+	  options = options || {};
+
+	  var bb = new BlobBuilder();
+	  mapArrayBufferViews(ary).forEach(function(part) {
+	    bb.append(part);
+	  });
+
+	  return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
+	};
+
+	function BlobConstructor(ary, options) {
+	  return new Blob(mapArrayBufferViews(ary), options || {});
+	};
+
+	if (typeof Blob !== 'undefined') {
+	  BlobBuilderConstructor.prototype = Blob.prototype;
+	  BlobConstructor.prototype = Blob.prototype;
+	}
+
+	module.exports = (function() {
+	  if (blobSupported) {
+	    return blobSupportsArrayBufferView ? Blob : BlobConstructor;
+	  } else if (blobBuilderSupported) {
+	    return BlobBuilderConstructor;
+	  } else {
+	    return undefined;
+	  }
+	})();
+
+
+/***/ },
+/* 17 */
+/***/ function(module, exports, __webpack_require__) {
+
+	
+	/**
+	 * Expose `Emitter`.
+	 */
+
+	if (true) {
+	  module.exports = Emitter;
+	}
+
+	/**
+	 * Initialize a new `Emitter`.
+	 *
+	 * @api public
+	 */
+
+	function Emitter(obj) {
+	  if (obj) return mixin(obj);
+	};
+
+	/**
+	 * Mixin the emitter properties.
+	 *
+	 * @param {Object} obj
+	 * @return {Object}
+	 * @api private
+	 */
+
+	function mixin(obj) {
+	  for (var key in Emitter.prototype) {
+	    obj[key] = Emitter.prototype[key];
+	  }
+	  return obj;
+	}
+
+	/**
+	 * Listen on the given `event` with `fn`.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.on =
+	Emitter.prototype.addEventListener = function(event, fn){
+	  this._callbacks = this._callbacks || {};
+	  (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
+	    .push(fn);
+	  return this;
+	};
+
+	/**
+	 * Adds an `event` listener that will be invoked a single
+	 * time then automatically removed.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.once = function(event, fn){
+	  function on() {
+	    this.off(event, on);
+	    fn.apply(this, arguments);
+	  }
+
+	  on.fn = fn;
+	  this.on(event, on);
+	  return this;
+	};
+
+	/**
+	 * Remove the given callback for `event` or all
+	 * registered callbacks.
+	 *
+	 * @param {String} event
+	 * @param {Function} fn
+	 * @return {Emitter}
+	 * @api public
+	 */
+
+	Emitter.prototype.off =
+	Emitter.prototype.removeListener =
+	Emitter.prototype.removeAllListeners =
+	Emitter.prototype.removeEventListener = function(event, fn){
+	  this._callbacks = this._callbacks || {};
+
+	  // all
+	  if (0 == arguments.length) {
+	    this._callbacks = {};
+	    return this;
+	  }
+
+	  // specific event
+	  var callbacks = this._callbacks['$' + event];
+	  if (!callbacks) return this;
+
+	  // remove all handlers
+	  if (1 == arguments.length) {
+	    delete this._callbacks['$' + event];
+	    return this;
+	  }
+
+	  // remove specific handler
+	  var cb;
+	  for (var i = 0; i < callbacks.length; i++) {
+	    cb = callbacks[i];
+	    if (cb === fn || cb.fn === fn) {
+	      callbacks.splice(i, 1);
+	      break;
+	    }
+	  }
+	  return this;
+	};
+
+	/**
+	 * Emit `event` with the given args.
+	 *
+	 * @param {String} event
+	 * @param {Mixed} ...
+	 * @return {Emitter}
+	 */
+
+	Emitter.prototype.emit = function(event){
+	  this._callbacks = this._callbacks || {};
+	  var args = [].slice.call(arguments, 1)
+	    , callbacks = this._callbacks['$' + event];
+
+	  if (callbacks) {
+	    callbacks = callbacks.slice(0);
+	    for (var i = 0, len = callbacks.length; i < len; ++i) {
+	      callbacks[i].apply(this, args);
+	    }
+	  }
+
+	  return this;
+	};
+
+	/**
+	 * Return array of callbacks for `event`.
+	 *
+	 * @param {String} event
+	 * @return {Array}
+	 * @api public
+	 */
+
+	Emitter.prototype.listeners = function(event){
+	  this._callbacks = this._callbacks || {};
+	  return this._callbacks['$' + event] || [];
+	};
+
+	/**
+	 * Check if this emitter has `event` handlers.
+	 *
+	 * @param {String} event
+	 * @return {Boolean}
+	 * @api public
+	 */
+
+	Emitter.prototype.hasListeners = function(event){
+	  return !! this.listeners(event).length;
+	};
+
+
+/***/ },
+/* 18 */
+/***/ function(module, exports) {
+
+	/**
+	 * Compiles a querystring
+	 * Returns string representation of the object
+	 *
+	 * @param {Object}
+	 * @api private
+	 */
+
+	exports.encode = function (obj) {
+	  var str = '';
+
+	  for (var i in obj) {
+	    if (obj.hasOwnProperty(i)) {
+	      if (str.length) str += '&';
+	      str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
+	    }
+	  }
+
+	  return str;
+	};
+
+	/**
+	 * Parses a simple querystring into an object
+	 *
+	 * @param {String} qs
+	 * @api private
+	 */
+
+	exports.decode = function(qs){
+	  var qry = {};
+	  var pairs = qs.split('&');
+	  for (var i = 0, l = pairs.length; i < l; i++) {
+	    var pair = pairs[i].split('=');
+	    qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+	  }
+	  return qry;
+	};
+
+
+/***/ },
+/* 19 */
+/***/ function(module, exports) {
+
+
+	module.exports = function(a, b){
+	  var fn = function(){};
+	  fn.prototype = b.prototype;
+	  a.prototype = new fn;
+	  a.prototype.constructor = a;
+	};
+
+/***/ },
+/* 20 */
+/***/ function(module, exports) {
+
+	'use strict';
+
+	var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
+	  , length = 64
+	  , map = {}
+	  , seed = 0
+	  , i = 0
+	  , prev;
+
+	/**
+	 * Return a string representing the specified number.
+	 *
+	 * @param {Number} num The number to convert.
+	 * @returns {String} The string representation of the number.
+	 * @api public
+	 */
+	function encode(num) {
+	  var encoded = '';
+
+	  do {
+	    encoded = alphabet[num % length] + encoded;
+	    num = Math.floor(num / length);
+	  } while (num > 0);
+
+	  return encoded;
+	}
+
+	/**
+	 * Return the integer value specified by the given string.
+	 *
+	 * @param {String} str The string to convert.
+	 * @returns {Number} The integer value represented by the string.
+	 * @api public
+	 */
+	function decode(str) {
+	  var decoded = 0;
+
+	  for (i = 0; i < str.length; i++) {
+	    decoded = decoded * length + map[str.charAt(i)];
+	  }
+
+	  return decoded;
+	}
+
+	/**
+	 * Yeast: A tiny growing id generator.
+	 *
+	 * @returns {String} A unique id.
+	 * @api public
+	 */
+	function yeast() {
+	  var now = encode(+new Date());
+
+	  if (now !== prev) return seed = 0, prev = now;
+	  return now +'.'+ encode(seed++);
+	}
+
+	//
+	// Map each character to its index.
+	//
+	for (; i < length; i++) map[alphabet[i]] = i;
+
+	//
+	// Expose the `yeast`, `encode` and `decode` functions.
+	//
+	yeast.encode = encode;
+	yeast.decode = decode;
+	module.exports = yeast;
+
+
+/***/ },
+/* 21 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(process) {/**
+	 * This is the web browser implementation of `debug()`.
+	 *
+	 * Expose `debug()` as the module.
+	 */
+
+	exports = module.exports = __webpack_require__(23);
+	exports.log = log;
+	exports.formatArgs = formatArgs;
+	exports.save = save;
+	exports.load = load;
+	exports.useColors = useColors;
+	exports.storage = 'undefined' != typeof chrome
+	               && 'undefined' != typeof chrome.storage
+	                  ? chrome.storage.local
+	                  : localstorage();
+
+	/**
+	 * Colors.
+	 */
+
+	exports.colors = [
+	  '#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC',
+	  '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF',
+	  '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC',
+	  '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF',
+	  '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC',
+	  '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033',
+	  '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366',
+	  '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933',
+	  '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC',
+	  '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF',
+	  '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'
+	];
+
+	/**
+	 * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+	 * and the Firebug extension (any Firefox version) are known
+	 * to support "%c" CSS customizations.
+	 *
+	 * TODO: add a `localStorage` variable to explicitly enable/disable colors
+	 */
+
+	function useColors() {
+	  // NB: In an Electron preload script, document will be defined but not fully
+	  // initialized. Since we know we're in Chrome, we'll just detect this case
+	  // explicitly
+	  if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
+	    return true;
+	  }
+
+	  // Internet Explorer and Edge do not support colors.
+	  if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+	    return false;
+	  }
+
+	  // is webkit? http://stackoverflow.com/a/16459606/376773
+	  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+	  return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+	    // is firebug? http://stackoverflow.com/a/398120/376773
+	    (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+	    // is firefox >= v31?
+	    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+	    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+	    // double check webkit in userAgent just in case we are in a worker
+	    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+	}
+
+	/**
+	 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+	 */
+
+	exports.formatters.j = function(v) {
+	  try {
+	    return JSON.stringify(v);
+	  } catch (err) {
+	    return '[UnexpectedJSONParseError]: ' + err.message;
+	  }
+	};
+
+
+	/**
+	 * Colorize log arguments if enabled.
+	 *
+	 * @api public
+	 */
+
+	function formatArgs(args) {
+	  var useColors = this.useColors;
+
+	  args[0] = (useColors ? '%c' : '')
+	    + this.namespace
+	    + (useColors ? ' %c' : ' ')
+	    + args[0]
+	    + (useColors ? '%c ' : ' ')
+	    + '+' + exports.humanize(this.diff);
+
+	  if (!useColors) return;
+
+	  var c = 'color: ' + this.color;
+	  args.splice(1, 0, c, 'color: inherit')
+
+	  // the final "%c" is somewhat tricky, because there could be other
+	  // arguments passed either before or after the %c, so we need to
+	  // figure out the correct index to insert the CSS into
+	  var index = 0;
+	  var lastC = 0;
+	  args[0].replace(/%[a-zA-Z%]/g, function(match) {
+	    if ('%%' === match) return;
+	    index++;
+	    if ('%c' === match) {
+	      // we only are interested in the *last* %c
+	      // (the user may have provided their own)
+	      lastC = index;
+	    }
+	  });
+
+	  args.splice(lastC, 0, c);
+	}
+
+	/**
+	 * Invokes `console.log()` when available.
+	 * No-op when `console.log` is not a "function".
+	 *
+	 * @api public
+	 */
+
+	function log() {
+	  // this hackery is required for IE8/9, where
+	  // the `console.log` function doesn't have 'apply'
+	  return 'object' === typeof console
+	    && console.log
+	    && Function.prototype.apply.call(console.log, console, arguments);
+	}
+
+	/**
+	 * Save `namespaces`.
+	 *
+	 * @param {String} namespaces
+	 * @api private
+	 */
+
+	function save(namespaces) {
+	  try {
+	    if (null == namespaces) {
+	      exports.storage.removeItem('debug');
+	    } else {
+	      exports.storage.debug = namespaces;
+	    }
+	  } catch(e) {}
+	}
+
+	/**
+	 * Load `namespaces`.
+	 *
+	 * @return {String} returns the previously persisted debug modes
+	 * @api private
+	 */
+
+	function load() {
+	  var r;
+	  try {
+	    r = exports.storage.debug;
+	  } catch(e) {}
+
+	  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+	  if (!r && typeof process !== 'undefined' && 'env' in process) {
+	    r = process.env.DEBUG;
+	  }
+
+	  return r;
+	}
+
+	/**
+	 * Enable namespaces listed in `localStorage.debug` initially.
+	 */
+
+	exports.enable(load());
+
+	/**
+	 * Localstorage attempts to return the localstorage.
+	 *
+	 * This is necessary because safari throws
+	 * when a user disables cookies/localstorage
+	 * and you attempt to access it.
+	 *
+	 * @return {LocalStorage}
+	 * @api private
+	 */
+
+	function localstorage() {
+	  try {
+	    return window.localStorage;
+	  } catch (e) {}
+	}
+
+	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(22)))
+
+/***/ },
+/* 22 */
+/***/ function(module, exports) {
+
+	// shim for using process in browser
+	var process = module.exports = {};
+
+	// cached from whatever global is present so that test runners that stub it
+	// don't break things.  But we need to wrap it in a try catch in case it is
+	// wrapped in strict mode code which doesn't define any globals.  It's inside a
+	// function because try/catches deoptimize in certain engines.
+
+	var cachedSetTimeout;
+	var cachedClearTimeout;
+
+	function defaultSetTimout() {
+	    throw new Error('setTimeout has not been defined');
+	}
+	function defaultClearTimeout () {
+	    throw new Error('clearTimeout has not been defined');
+	}
+	(function () {
+	    try {
+	        if (typeof setTimeout === 'function') {
+	            cachedSetTimeout = setTimeout;
+	        } else {
+	            cachedSetTimeout = defaultSetTimout;
+	        }
+	    } catch (e) {
+	        cachedSetTimeout = defaultSetTimout;
+	    }
+	    try {
+	        if (typeof clearTimeout === 'function') {
+	            cachedClearTimeout = clearTimeout;
+	        } else {
+	            cachedClearTimeout = defaultClearTimeout;
+	        }
+	    } catch (e) {
+	        cachedClearTimeout = defaultClearTimeout;
+	    }
+	} ())
+	function runTimeout(fun) {
+	    if (cachedSetTimeout === setTimeout) {
+	        //normal enviroments in sane situations
+	        return setTimeout(fun, 0);
+	    }
+	    // if setTimeout wasn't available but was latter defined
+	    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+	        cachedSetTimeout = setTimeout;
+	        return setTimeout(fun, 0);
+	    }
+	    try {
+	        // when when somebody has screwed with setTimeout but no I.E. maddness
+	        return cachedSetTimeout(fun, 0);
+	    } catch(e){
+	        try {
+	            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+	            return cachedSetTimeout.call(null, fun, 0);
+	        } catch(e){
+	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+	            return cachedSetTimeout.call(this, fun, 0);
+	        }
+	    }
+
+
+	}
+	function runClearTimeout(marker) {
+	    if (cachedClearTimeout === clearTimeout) {
+	        //normal enviroments in sane situations
+	        return clearTimeout(marker);
+	    }
+	    // if clearTimeout wasn't available but was latter defined
+	    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+	        cachedClearTimeout = clearTimeout;
+	        return clearTimeout(marker);
+	    }
+	    try {
+	        // when when somebody has screwed with setTimeout but no I.E. maddness
+	        return cachedClearTimeout(marker);
+	    } catch (e){
+	        try {
+	            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+	            return cachedClearTimeout.call(null, marker);
+	        } catch (e){
+	            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+	            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+	            return cachedClearTimeout.call(this, marker);
+	        }
+	    }
+
+
+
+	}
+	var queue = [];
+	var draining = false;
+	var currentQueue;
+	var queueIndex = -1;
+
+	function cleanUpNextTick() {
+	    if (!draining || !currentQueue) {
+	        return;
+	    }
+	    draining = false;
+	    if (currentQueue.length) {
+	        queue = currentQueue.concat(queue);
+	    } else {
+	        queueIndex = -1;
+	    }
+	    if (queue.length) {
+	        drainQueue();
+	    }
+	}
+
+	function drainQueue() {
+	    if (draining) {
+	        return;
+	    }
+	    var timeout = runTimeout(cleanUpNextTick);
+	    draining = true;
+
+	    var len = queue.length;
+	    while(len) {
+	        currentQueue = queue;
+	        queue = [];
+	        while (++queueIndex < len) {
+	            if (currentQueue) {
+	                currentQueue[queueIndex].run();
+	            }
+	        }
+	        queueIndex = -1;
+	        len = queue.length;
+	    }
+	    currentQueue = null;
+	    draining = false;
+	    runClearTimeout(timeout);
+	}
+
+	process.nextTick = function (fun) {
+	    var args = new Array(arguments.length - 1);
+	    if (arguments.length > 1) {
+	        for (var i = 1; i < arguments.length; i++) {
+	            args[i - 1] = arguments[i];
+	        }
+	    }
+	    queue.push(new Item(fun, args));
+	    if (queue.length === 1 && !draining) {
+	        runTimeout(drainQueue);
+	    }
+	};
+
+	// v8 likes predictible objects
+	function Item(fun, array) {
+	    this.fun = fun;
+	    this.array = array;
+	}
+	Item.prototype.run = function () {
+	    this.fun.apply(null, this.array);
+	};
+	process.title = 'browser';
+	process.browser = true;
+	process.env = {};
+	process.argv = [];
+	process.version = ''; // empty string to avoid regexp issues
+	process.versions = {};
+
+	function noop() {}
+
+	process.on = noop;
+	process.addListener = noop;
+	process.once = noop;
+	process.off = noop;
+	process.removeListener = noop;
+	process.removeAllListeners = noop;
+	process.emit = noop;
+	process.prependListener = noop;
+	process.prependOnceListener = noop;
+
+	process.listeners = function (name) { return [] }
+
+	process.binding = function (name) {
+	    throw new Error('process.binding is not supported');
+	};
+
+	process.cwd = function () { return '/' };
+	process.chdir = function (dir) {
+	    throw new Error('process.chdir is not supported');
+	};
+	process.umask = function() { return 0; };
+
+
+/***/ },
+/* 23 */
+/***/ function(module, exports, __webpack_require__) {
+
+
+	/**
+	 * This is the common logic for both the Node.js and web browser
+	 * implementations of `debug()`.
+	 *
+	 * Expose `debug()` as the module.
+	 */
+
+	exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
+	exports.coerce = coerce;
+	exports.disable = disable;
+	exports.enable = enable;
+	exports.enabled = enabled;
+	exports.humanize = __webpack_require__(24);
+
+	/**
+	 * Active `debug` instances.
+	 */
+	exports.instances = [];
+
+	/**
+	 * The currently active debug mode names, and names to skip.
+	 */
+
+	exports.names = [];
+	exports.skips = [];
+
+	/**
+	 * Map of special "%n" handling functions, for the debug "format" argument.
+	 *
+	 * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+	 */
+
+	exports.formatters = {};
+
+	/**
+	 * Select a color.
+	 * @param {String} namespace
+	 * @return {Number}
+	 * @api private
+	 */
+
+	function selectColor(namespace) {
+	  var hash = 0, i;
+
+	  for (i in namespace) {
+	    hash  = ((hash << 5) - hash) + namespace.charCodeAt(i);
+	    hash |= 0; // Convert to 32bit integer
+	  }
+
+	  return exports.colors[Math.abs(hash) % exports.colors.length];
+	}
+
+	/**
+	 * Create a debugger with the given `namespace`.
+	 *
+	 * @param {String} namespace
+	 * @return {Function}
+	 * @api public
+	 */
+
+	function createDebug(namespace) {
+
+	  var prevTime;
+
+	  function debug() {
+	    // disabled?
+	    if (!debug.enabled) return;
+
+	    var self = debug;
+
+	    // set `diff` timestamp
+	    var curr = +new Date();
+	    var ms = curr - (prevTime || curr);
+	    self.diff = ms;
+	    self.prev = prevTime;
+	    self.curr = curr;
+	    prevTime = curr;
+
+	    // turn the `arguments` into a proper Array
+	    var args = new Array(arguments.length);
+	    for (var i = 0; i < args.length; i++) {
+	      args[i] = arguments[i];
+	    }
+
+	    args[0] = exports.coerce(args[0]);
+
+	    if ('string' !== typeof args[0]) {
+	      // anything else let's inspect with %O
+	      args.unshift('%O');
+	    }
+
+	    // apply any `formatters` transformations
+	    var index = 0;
+	    args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
+	      // if we encounter an escaped % then don't increase the array index
+	      if (match === '%%') return match;
+	      index++;
+	      var formatter = exports.formatters[format];
+	      if ('function' === typeof formatter) {
+	        var val = args[index];
+	        match = formatter.call(self, val);
+
+	        // now we need to remove `args[index]` since it's inlined in the `format`
+	        args.splice(index, 1);
+	        index--;
+	      }
+	      return match;
+	    });
+
+	    // apply env-specific formatting (colors, etc.)
+	    exports.formatArgs.call(self, args);
+
+	    var logFn = debug.log || exports.log || console.log.bind(console);
+	    logFn.apply(self, args);
+	  }
+
+	  debug.namespace = namespace;
+	  debug.enabled = exports.enabled(namespace);
+	  debug.useColors = exports.useColors();
+	  debug.color = selectColor(namespace);
+	  debug.destroy = destroy;
+
+	  // env-specific initialization logic for debug instances
+	  if ('function' === typeof exports.init) {
+	    exports.init(debug);
+	  }
+
+	  exports.instances.push(debug);
+
+	  return debug;
+	}
+
+	function destroy () {
+	  var index = exports.instances.indexOf(this);
+	  if (index !== -1) {
+	    exports.instances.splice(index, 1);
+	    return true;
+	  } else {
+	    return false;
+	  }
+	}
+
+	/**
+	 * Enables a debug mode by namespaces. This can include modes
+	 * separated by a colon and wildcards.
+	 *
+	 * @param {String} namespaces
+	 * @api public
+	 */
+
+	function enable(namespaces) {
+	  exports.save(namespaces);
+
+	  exports.names = [];
+	  exports.skips = [];
+
+	  var i;
+	  var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+	  var len = split.length;
+
+	  for (i = 0; i < len; i++) {
+	    if (!split[i]) continue; // ignore empty strings
+	    namespaces = split[i].replace(/\*/g, '.*?');
+	    if (namespaces[0] === '-') {
+	      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+	    } else {
+	      exports.names.push(new RegExp('^' + namespaces + '$'));
+	    }
+	  }
+
+	  for (i = 0; i < exports.instances.length; i++) {
+	    var instance = exports.instances[i];
+	    instance.enabled = exports.enabled(instance.namespace);
+	  }
+	}
+
+	/**
+	 * Disable debug output.
+	 *
+	 * @api public
+	 */
+
+	function disable() {
+	  exports.enable('');
+	}
+
+	/**
+	 * Returns true if the given mode name is enabled, false otherwise.
+	 *
+	 * @param {String} name
+	 * @return {Boolean}
+	 * @api public
+	 */
+
+	function enabled(name) {
+	  if (name[name.length - 1] === '*') {
+	    return true;
+	  }
+	  var i, len;
+	  for (i = 0, len = exports.skips.length; i < len; i++) {
+	    if (exports.skips[i].test(name)) {
+	      return false;
+	    }
+	  }
+	  for (i = 0, len = exports.names.length; i < len; i++) {
+	    if (exports.names[i].test(name)) {
+	      return true;
+	    }
+	  }
+	  return false;
+	}
+
+	/**
+	 * Coerce `val`.
+	 *
+	 * @param {Mixed} val
+	 * @return {Mixed}
+	 * @api private
+	 */
+
+	function coerce(val) {
+	  if (val instanceof Error) return val.stack || val.message;
+	  return val;
+	}
+
+
+/***/ },
+/* 24 */
+/***/ function(module, exports) {
+
+	/**
+	 * Helpers.
+	 */
+
+	var s = 1000;
+	var m = s * 60;
+	var h = m * 60;
+	var d = h * 24;
+	var y = d * 365.25;
+
+	/**
+	 * Parse or format the given `val`.
+	 *
+	 * Options:
+	 *
+	 *  - `long` verbose formatting [false]
+	 *
+	 * @param {String|Number} val
+	 * @param {Object} [options]
+	 * @throws {Error} throw an error if val is not a non-empty string or a number
+	 * @return {String|Number}
+	 * @api public
+	 */
+
+	module.exports = function(val, options) {
+	  options = options || {};
+	  var type = typeof val;
+	  if (type === 'string' && val.length > 0) {
+	    return parse(val);
+	  } else if (type === 'number' && isNaN(val) === false) {
+	    return options.long ? fmtLong(val) : fmtShort(val);
+	  }
+	  throw new Error(
+	    'val is not a non-empty string or a valid number. val=' +
+	      JSON.stringify(val)
+	  );
+	};
+
+	/**
+	 * Parse the given `str` and return milliseconds.
+	 *
+	 * @param {String} str
+	 * @return {Number}
+	 * @api private
+	 */
+
+	function parse(str) {
+	  str = String(str);
+	  if (str.length > 100) {
+	    return;
+	  }
+	  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(
+	    str
+	  );
+	  if (!match) {
+	    return;
+	  }
+	  var n = parseFloat(match[1]);
+	  var type = (match[2] || 'ms').toLowerCase();
+	  switch (type) {
+	    case 'years':
+	    case 'year':
+	    case 'yrs':
+	    case 'yr':
+	    case 'y':
+	      return n * y;
+	    case 'days':
+	    case 'day':
+	    case 'd':
+	      return n * d;
+	    case 'hours':
+	    case 'hour':
+	    case 'hrs':
+	    case 'hr':
+	    case 'h':
+	      return n * h;
+	    case 'minutes':
+	    case 'minute':
+	    case 'mins':
+	    case 'min':
+	    case 'm':
+	      return n * m;
+	    case 'seconds':
+	    case 'second':
+	    case 'secs':
+	    case 'sec':
+	    case 's':
+	      return n * s;
+	    case 'milliseconds':
+	    case 'millisecond':
+	    case 'msecs':
+	    case 'msec':
+	    case 'ms':
+	      return n;
+	    default:
+	      return undefined;
+	  }
+	}
+
+	/**
+	 * Short format for `ms`.
+	 *
+	 * @param {Number} ms
+	 * @return {String}
+	 * @api private
+	 */
+
+	function fmtShort(ms) {
+	  if (ms >= d) {
+	    return Math.round(ms / d) + 'd';
+	  }
+	  if (ms >= h) {
+	    return Math.round(ms / h) + 'h';
+	  }
+	  if (ms >= m) {
+	    return Math.round(ms / m) + 'm';
+	  }
+	  if (ms >= s) {
+	    return Math.round(ms / s) + 's';
+	  }
+	  return ms + 'ms';
+	}
+
+	/**
+	 * Long format for `ms`.
+	 *
+	 * @param {Number} ms
+	 * @return {String}
+	 * @api private
+	 */
+
+	function fmtLong(ms) {
+	  return plural(ms, d, 'day') ||
+	    plural(ms, h, 'hour') ||
+	    plural(ms, m, 'minute') ||
+	    plural(ms, s, 'second') ||
+	    ms + ' ms';
+	}
+
+	/**
+	 * Pluralization helper.
+	 */
+
+	function plural(ms, n, name) {
+	  if (ms < n) {
+	    return;
+	  }
+	  if (ms < n * 1.5) {
+	    return Math.floor(ms / n) + ' ' + name;
+	  }
+	  return Math.ceil(ms / n) + ' ' + name + 's';
+	}
+
+
+/***/ },
+/* 25 */
+/***/ function(module, exports, __webpack_require__) {
+
+	/* WEBPACK VAR INJECTION */(function(global) {'use strict';
+
+	/**
+	 * Module requirements.
+	 */
+
+	var Polling = __webpack_require__(6);
+	var inherit = __webpack_require__(19);
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = JSONPPolling;
+
+	/**
+	 * Cached regular expressions.
+	 */
+
+	var rNewline = /\n/g;
+	var rEscapedNewline = /\\n/g;
+
+	/**
+	 * Global JSONP callbacks.
+	 */
+
+	var callbacks;
+
+	/**
+	 * Noop.
+	 */
+
+	function empty() {}
+
+	/**
+	 * Until https://github.com/tc39/proposal-global is shipped.
+	 */
+	function glob() {
+	  return typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : {};
+	}
+
+	/**
+	 * JSONP Polling constructor.
+	 *
+	 * @param {Object} opts.
+	 * @api public
+	 */
+
+	function JSONPPolling(opts) {
+	  Polling.call(this, opts);
+
+	  this.query = this.query || {};
+
+	  // define global callbacks array if not present
+	  // we do this here (lazily) to avoid unneeded global pollution
+	  if (!callbacks) {
+	    // we need to consider multiple engines in the same page
+	    var global = glob();
+	    callbacks = global.___eio = global.___eio || [];
+	  }
+
+	  // callback identifier
+	  this.index = callbacks.length;
+
+	  // add callback to jsonp global
+	  var self = this;
+	  callbacks.push(function (msg) {
+	    self.onData(msg);
+	  });
+
+	  // append to query string
+	  this.query.j = this.index;
+
+	  // prevent spurious errors from being emitted when the window is unloaded
+	  if (typeof addEventListener === 'function') {
+	    addEventListener('beforeunload', function () {
+	      if (self.script) self.script.onerror = empty;
+	    }, false);
+	  }
+	}
+
+	/**
+	 * Inherits from Polling.
+	 */
+
+	inherit(JSONPPolling, Polling);
+
+	/*
+	 * JSONP only supports binary as base64 encoded strings
+	 */
+
+	JSONPPolling.prototype.supportsBinary = false;
+
+	/**
+	 * Closes the socket.
+	 *
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doClose = function () {
+	  if (this.script) {
+	    this.script.parentNode.removeChild(this.script);
+	    this.script = null;
+	  }
+
+	  if (this.form) {
+	    this.form.parentNode.removeChild(this.form);
+	    this.form = null;
+	    this.iframe = null;
+	  }
+
+	  Polling.prototype.doClose.call(this);
+	};
+
+	/**
+	 * Starts a poll cycle.
+	 *
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doPoll = function () {
+	  var self = this;
+	  var script = document.createElement('script');
+
+	  if (this.script) {
+	    this.script.parentNode.removeChild(this.script);
+	    this.script = null;
+	  }
+
+	  script.async = true;
+	  script.src = this.uri();
+	  script.onerror = function (e) {
+	    self.onError('jsonp poll error', e);
+	  };
+
+	  var insertAt = document.getElementsByTagName('script')[0];
+	  if (insertAt) {
+	    insertAt.parentNode.insertBefore(script, insertAt);
+	  } else {
+	    (document.head || document.body).appendChild(script);
+	  }
+	  this.script = script;
+
+	  var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);
+
+	  if (isUAgecko) {
+	    setTimeout(function () {
+	      var iframe = document.createElement('iframe');
+	      document.body.appendChild(iframe);
+	      document.body.removeChild(iframe);
+	    }, 100);
+	  }
+	};
+
+	/**
+	 * Writes with a hidden iframe.
+	 *
+	 * @param {String} data to send
+	 * @param {Function} called upon flush.
+	 * @api private
+	 */
+
+	JSONPPolling.prototype.doWrite = function (data, fn) {
+	  var self = this;
+
+	  if (!this.form) {
+	    var form = document.createElement('form');
+	    var area = document.createElement('textarea');
+	    var id = this.iframeId = 'eio_iframe_' + this.index;
+	    var iframe;
+
+	    form.className = 'socketio';
+	    form.style.position = 'absolute';
+	    form.style.top = '-1000px';
+	    form.style.left = '-1000px';
+	    form.target = id;
+	    form.method = 'POST';
+	    form.setAttribute('accept-charset', 'utf-8');
+	    area.name = 'd';
+	    form.appendChild(area);
+	    document.body.appendChild(form);
+
+	    this.form = form;
+	    this.area = area;
+	  }
+
+	  this.form.action = this.uri();
+
+	  function complete() {
+	    initIframe();
+	    fn();
+	  }
+
+	  function initIframe() {
+	    if (self.iframe) {
+	      try {
+	        self.form.removeChild(self.iframe);
+	      } catch (e) {
+	        self.onError('jsonp polling iframe removal error', e);
+	      }
+	    }
+
+	    try {
+	      // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
+	      var html = '<iframe src="javascript:0" name="' + self.iframeId + '">';
+	      iframe = document.createElement(html);
+	    } catch (e) {
+	      iframe = document.createElement('iframe');
+	      iframe.name = self.iframeId;
+	      iframe.src = 'javascript:0';
+	    }
+
+	    iframe.id = self.iframeId;
+
+	    self.form.appendChild(iframe);
+	    self.iframe = iframe;
+	  }
+
+	  initIframe();
+
+	  // escape \n to prevent it from being converted into \r\n by some UAs
+	  // double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
+	  data = data.replace(rEscapedNewline, '\\\n');
+	  this.area.value = data.replace(rNewline, '\\n');
+
+	  try {
+	    this.form.submit();
+	  } catch (e) {}
+
+	  if (this.iframe.attachEvent) {
+	    this.iframe.onreadystatechange = function () {
+	      if (self.iframe.readyState === 'complete') {
+	        complete();
+	      }
+	    };
+	  } else {
+	    this.iframe.onload = complete;
+	  }
+	};
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))
+
+/***/ },
+/* 26 */
+/***/ function(module, exports, __webpack_require__) {
+
+	'use strict';
+
+	/**
+	 * Module dependencies.
+	 */
+
+	var Transport = __webpack_require__(7);
+	var parser = __webpack_require__(8);
+	var parseqs = __webpack_require__(18);
+	var inherit = __webpack_require__(19);
+	var yeast = __webpack_require__(20);
+	var debug = __webpack_require__(21)('engine.io-client:websocket');
+
+	var BrowserWebSocket, NodeWebSocket;
+
+	if (typeof WebSocket !== 'undefined') {
+	  BrowserWebSocket = WebSocket;
+	} else if (typeof self !== 'undefined') {
+	  BrowserWebSocket = self.WebSocket || self.MozWebSocket;
+	} else {
+	  try {
+	    NodeWebSocket = __webpack_require__(27);
+	  } catch (e) {}
+	}
+
+	/**
+	 * Get either the `WebSocket` or `MozWebSocket` globals
+	 * in the browser or try to resolve WebSocket-compatible
+	 * interface exposed by `ws` for Node-like environment.
+	 */
+
+	var WebSocketImpl = BrowserWebSocket || NodeWebSocket;
+
+	/**
+	 * Module exports.
+	 */
+
+	module.exports = WS;
+
+	/**
+	 * WebSocket transport constructor.
+	 *
+	 * @api {Object} connection options
+	 * @api public
+	 */
+
+	function WS(opts) {
+	  var forceBase64 = opts && opts.forceBase64;
+	  if (forceBase64) {
+	    this.supportsBinary = false;
+	  }
+	  this.perMessageDeflate = opts.perMessageDeflate;
+	  this.usingBrowserWebSocket = BrowserWebSocket && !opts.forceNode;
+	  this.protocols = opts.protocols;
+	  if (!this.usingBrowserWebSocket) {
+	    WebSocketImpl = NodeWebSocket;
+	  }
+	  Transport.call(this, opts);
+	}
+
+	/**
+	 * Inherits from Transport.
+	 */
+
+	inherit(WS, Transport);
+
+	/**
+	 * Transport name.
+	 *
+	 * @api public
+	 */
+
+	WS.prototype.name = 'websocket';
+
+	/*
+	 * WebSockets support binary
+	 */
+
+	WS.prototype.supportsBinary = true;
+
+	/**
+	 * Opens socket.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.doOpen = function () {
+	  if (!this.check()) {
+	    // let probe timeout
+	    return;
+	  }
+
+	  var uri = this.uri();
+	  var protocols = this.protocols;
+	  var opts = {
+	    agent: this.agent,
+	    perMessageDeflate: this.perMessageDeflate
+	  };
+
+	  // SSL options for Node.js client
+	  opts.pfx = this.pfx;
+	  opts.key = this.key;
+	  opts.passphrase = this.passphrase;
+	  opts.cert = this.cert;
+	  opts.ca = this.ca;
+	  opts.ciphers = this.ciphers;
+	  opts.rejectUnauthorized = this.rejectUnauthorized;
+	  if (this.extraHeaders) {
+	    opts.headers = this.extraHeaders;
+	  }
+	  if (this.localAddress) {
+	    opts.localAddress = this.localAddress;
+	  }
+
+	  try {
+	    this.ws = this.usingBrowserWebSocket && !this.isReactNative ? protocols ? new WebSocketImpl(uri, protocols) : new WebSocketImpl(uri) : new WebSocketImpl(uri, protocols, opts);
+	  } catch (err) {
+	    return this.emit('error', err);
+	  }
+
+	  if (this.ws.binaryType === undefined) {
+	    this.supportsBinary = false;
+	  }
+
+	  if (this.ws.supports && this.ws.supports.binary) {
+	    this.supportsBinary = true;
+	    this.ws.binaryType = 'nodebuffer';
+	  } else {
+	    this.ws.binaryType = 'arraybuffer';
+	  }
+
+	  this.addEventListeners();
+	};
+
+	/**
+	 * Adds event listeners to the socket
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.addEventListeners = function () {
+	  var self = this;
+
+	  this.ws.onopen = function () {
+	    self.onOpen();
+	  };
+	  this.ws.onclose = function () {
+	    self.onClose();
+	  };
+	  this.ws.onmessage = function (ev) {
+	    self.onData(ev.data);
+	  };
+	  this.ws.onerror = function (e) {
+	    self.onError('websocket error', e);
+	  };
+	};
+
+	/**
+	 * Writes data to socket.
+	 *
+	 * @param {Array} array of packets.
+	 * @api private
+	 */
+
+	WS.prototype.write = function (packets) {
+	  var self = this;
+	  this.writable = false;
+
+	  // encodePacket efficient as it uses WS framing
+	  // no need for encodePayload
+	  var total = packets.length;
+	  for (var i = 0, l = total; i < l; i++) {
+	    (function (packet) {
+	      parser.encodePacket(packet, self.supportsBinary, function (data) {
+	        if (!self.usingBrowserWebSocket) {
+	          // always create a new object (GH-437)
+	          var opts = {};
+	          if (packet.options) {
+	            opts.compress = packet.options.compress;
+	          }
+
+	          if (self.perMessageDeflate) {
+	            var len = 'string' === typeof data ? Buffer.byteLength(data) : data.length;
+	            if (len < self.perMessageDeflate.threshold) {
+	              opts.compress = false;
+	            }
+	          }
+	        }
+
+	        // Sometimes the websocket has already been closed but the browser didn't
+	        // have a chance of informing us about it yet, in that case send will
+	        // throw an error
+	        try {
+	          if (self.usingBrowserWebSocket) {
+	            // TypeError is thrown when passing the second argument on Safari
+	            self.ws.send(data);
+	          } else {
+	            self.ws.send(data, opts);
+	          }
+	        } catch (e) {
+	          debug('websocket closed before onclose event');
+	        }
+
+	        --total || done();
+	      });
+	    })(packets[i]);
+	  }
+
+	  function done() {
+	    self.emit('flush');
+
+	    // fake drain
+	    // defer to next tick to allow Socket to clear writeBuffer
+	    setTimeout(function () {
+	      self.writable = true;
+	      self.emit('drain');
+	    }, 0);
+	  }
+	};
+
+	/**
+	 * Called upon close
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.onClose = function () {
+	  Transport.prototype.onClose.call(this);
+	};
+
+	/**
+	 * Closes socket.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.doClose = function () {
+	  if (typeof this.ws !== 'undefined') {
+	    this.ws.close();
+	  }
+	};
+
+	/**
+	 * Generates uri for connection.
+	 *
+	 * @api private
+	 */
+
+	WS.prototype.uri = function () {
+	  var query = this.query || {};
+	  var schema = this.secure ? 'wss' : 'ws';
+	  var port = '';
+
+	  // avoid port if default for schema
+	  if (this.port && ('wss' === schema && Number(this.port) !== 443 || 'ws' === schema && Number(this.port) !== 80)) {
+	    port = ':' + this.port;
+	  }
+
+	  // append timestamp to URI
+	  if (this.timestampRequests) {
+	    query[this.timestampParam] = yeast();
+	  }
+
+	  // communicate binary support capabilities
+	  if (!this.supportsBinary) {
+	    query.b64 = 1;
+	  }
+
+	  query = parseqs.encode(query);
+
+	  // prepend ? to query
+	  if (query.length) {
+	    query = '?' + query;
+	  }
+
+	  var ipv6 = this.hostname.indexOf(':') !== -1;
+	  return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
+	};
+
+	/**
+	 * Feature detection for WebSocket.
+	 *
+	 * @return {Boolean} whether this transport is available.
+	 * @api public
+	 */
+
+	WS.prototype.check = function () {
+	  return !!WebSocketImpl && !('__initialize' in WebSocketImpl && this.name === WS.prototype.name);
+	};
+
+/***/ },
+/* 27 */
+/***/ function(module, exports) {
+
+	/* (ignored) */
+
+/***/ },
+/* 28 */
+/***/ function(module, exports) {
+
+
+	var indexOf = [].indexOf;
+
+	module.exports = function(arr, obj){
+	  if (indexOf) return arr.indexOf(obj);
+	  for (var i = 0; i < arr.length; ++i) {
+	    if (arr[i] === obj) return i;
+	  }
+	  return -1;
+	};
+
+/***/ },
+/* 29 */
+/***/ function(module, exports) {
+
+	/**
+	 * Parses an URI
+	 *
+	 * @author Steven Levithan <stevenlevithan.com> (MIT license)
+	 * @api private
+	 */
+
+	var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
+
+	var parts = [
+	    'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
+	];
+
+	module.exports = function parseuri(str) {
+	    var src = str,
+	        b = str.indexOf('['),
+	        e = str.indexOf(']');
+
+	    if (b != -1 && e != -1) {
+	        str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
+	    }
+
+	    var m = re.exec(str || ''),
+	        uri = {},
+	        i = 14;
+
+	    while (i--) {
+	        uri[parts[i]] = m[i] || '';
+	    }
+
+	    if (b != -1 && e != -1) {
+	        uri.source = src;
+	        uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
+	        uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
+	        uri.ipv6uri = true;
+	    }
+
+	    return uri;
+	};
+
+
+/***/ }
+/******/ ])
 });
+;
\ No newline at end of file
diff --git a/package.json b/package.json
index 69fd07df..c91fb984 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "socketstream",
   "description": "A framework for Realtime Web Apps",
-  "version": "0.4.5",
+  "version": "0.4.6",
   "license": "MIT",
   "homepage": "http://www.socketstream.org",
   "author": "Owen Barnes <owen@socketstream.org>",
@@ -22,39 +22,40 @@
   ],
   "dependencies": {
     "apitree": "1.2.0",
-    "async": "1.4.2",
-    "body-parser": "1.13.3",
-    "clean-css": "3.3.9",
-    "colors": "1.1.2",
-    "compression": "1.5.2",
-    "connect": "3.4.0",
-    "connect-redis": "2.4.1",
-    "connect-static": "1.5.0",
-    "cookie-parser": "1.3.5",
-    "cookie-session": "1.2.0",
-    "cookies": "0.5.0",
-    "csurf": "1.8.3",
-    "engine.io": "1.5.2",
-    "escape-html": "1.0.2",
-    "eventemitter2": "= 0.4.14",
-    "express-session": "1.11.3",
-    "glob": "5.0.14",
-    "orchestrator": "0.3.7",
-    "parseurl": "1.3.0",
-    "redis": "0.12.1",
-    "send": "0.13.0",
-    "serve-favicon": "2.3.0",
-    "serve-static": "1.10.0",
-    "shortid": "2.2.2",
-    "uglify-js": "2.4.24",
+    "async": "1.5.2",
+    "body-parser": "1.19.0",
+    "clean-css": "4.2.1",
+    "colors": "1.3.3",
+    "compression": "1.7.4",
+    "connect": "3.7.0",
+    "connect-redis": "3.4.1",
+    "connect-static": "git+https://github.com/nponeccop/connect-static.git#hotfix-1.6.0",
+    "conventional-changelog-cli": "^2.0.21",
+    "cookie-parser": "1.4.4",
+    "cookie-session": "1.3.3",
+    "cookies": "0.7.3",
+    "csurf": "1.10.0",
+    "engine.io": "3.3.2",
+    "escape-html": "1.0.3",
+    "eventemitter2": "5.0.1",
+    "express-session": "1.16.1",
+    "glob": "7.1.4",
+    "orchestrator": "0.3.8",
+    "parseurl": "1.3.3",
+    "redis": "2.8.0",
+    "send": "0.17.1",
+    "serve-favicon": "2.5.0",
+    "serve-static": "1.14.1",
+    "shortid": "2.2.14",
+    "uglify-js": "2.8.22",
     "uid2": "0.0.3",
-    "utils-merge": "1.0.0"
+    "utils-merge": "1.0.1"
   },
   "devDependencies": {
     "chokidar": "~1.1.0",
     "commander": "2.8.1",
     "connect-livereload": "~0.5.2",
-    "conventional-changelog": "^0.5.0",
+    "conventional-changelog": "^3.1.8",
     "coveralls": "~2.11.4",
     "fs-extra": "~0.24.0",
     "gently": "~0.10.0",
@@ -65,29 +66,29 @@
     "grunt-contrib-connect": "~0.11.2",
     "grunt-contrib-watch": "~0.6.1",
     "grunt-ngdocs": "~0.2.9",
-    "istanbul": "~0.3.18",
-    "jshint": "~2.8.0",
-    "lolex": "^1.3.1",
-    "mocha": "~2.3.3",
+    "istanbul": "0.4.5",
+    "jshint": "2.10.2",
+    "lolex": "1.3.1",
+    "mocha": "6.1.4",
     "notes": "0.0.4",
     "npm-dview": "~2.0.0",
-    "pre-commit": "~1.1.1",
-    "semver": "~5.0.3",
-    "shelljs": "~0.5.3",
-    "should": "~7.1.0",
-    "sinon": "~1.17.0",
-    "supertest": "~1.1.0",
-    "vinyl-fs": "~2.0.0"
+    "pre-commit": "~1.2.2",
+    "semver": "~6.1.0",
+    "shelljs": "~0.8.3",
+    "should": "13.2.3",
+    "sinon": "7.3.2",
+    "supertest": "4.0.2",
+    "vinyl-fs": "~2.4.4"
   },
   "scripts": {
-    "cover-test": "node_modules/.bin/istanbul cover -x **/new_project/** node_modules/.bin/_mocha test/unit/**/* && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage",
-    "checkDependencies": "node_modules/.bin/npm-dview",
-    "lint": "node_modules/.bin/jshint .",
-    "notes": "node_modules/.bin/notes",
-    "changelog": "node_modules/.bin/conventional-changelog  -p angular -i CHANGELOG.md -w",
-    "test": "node_modules/.bin/mocha test/unit/**/*.js --reporter spec",
-    "quick-test": "node_modules/.bin/mocha test/unit/**/*.js --reporter progress",
-    "test-debug": "node_modules/.bin/mocha --debug-brk test/unit/**/*.js --reporter spec"
+    "cover-test": "istanbul cover -x **/new_project/** node_modules/.bin/_mocha test/unit/**/* && cat ./coverage/lcov.info | coveralls && rm -rf ./coverage",
+    "checkDependencies": "npm-dview",
+    "lint": "jshint .",
+    "notes": "notes",
+    "changelog": "conventional-changelog  -p angular -i CHANGELOG.md -w",
+    "test": "mocha test/unit/**/*",
+    "quick-test": "mocha test/unit/**/* --reporter progress",
+    "test-debug": "mocha --debug-brk test/unit/**/* --reporter spec"
   },
   "pre-commit": [
     "lint",