update travis list

.travis.yml

@@ -2,5 +2,5 @@ language: node_js
 node_js:
   - "4"
   - "6"
-  - "7"
+  - "8"
 script: make test-coveralls

lib/index.js

@@ -6,7 +6,8 @@ const https = require('https');
 const parse = require('url').parse;
 const format = require('url').format;
 
-const debug = require('debug')('httpx');
+const debugBody = require('debug')('httpx:body');
+const debugHeader = require('debug')('httpx:header');
 
 const httpAgent = new http.Agent({ keepAlive: true });
 const httpsAgent = new https.Agent({ keepAlive: true });
@@ -51,8 +52,6 @@ exports.request = function (url, opts) {
   }
 
   return new Promise((resolve, reject) => {
-    const startTime = Date.now();
-
     const request = httplib.request(options);
     const body = opts.data;
 
@@ -67,15 +66,15 @@ exports.request = function (url, opts) {
 
     var fulfilled = (response) => {
       cleanup();
-      if (debug.enabled) {
+      if (debugHeader.enabled) {
         const requestHeaders = response.req._header;
         requestHeaders.split('\r\n').forEach((line) => {
-          debug('> %s', line);
+          debugHeader('> %s', line);
         });
 
-        debug('< HTTP/%s %s %s', response.httpVersion, response.statusCode, response.statusMessage);
+        debugHeader('< HTTP/%s %s %s', response.httpVersion, response.statusCode, response.statusMessage);
         Object.keys(response.headers).forEach((key) => {
-          debug('< %s: %s', key, response.headers[key]);
+          debugHeader('< %s: %s', key, response.headers[key]);
         });
       }
       resolve(response);
@@ -153,14 +152,14 @@ exports.read = function (response, encoding) {
       cleanup();
       var buff = Buffer.concat(bufs, size);
 
-      debug('');
+      debugBody('');
       if (encoding) {
         const result = buff.toString(encoding);
-        debug(result);
+        debugBody(result);
         return resolve(result);
       }
 
-      debug('Buffer <ignored>');
+      debugBody('Buffer <ignored>');
       resolve(buff);
     };