Fixed callback signatures

examples/google.js

@@ -20,7 +20,7 @@ browser
   .clickAndWait('btnG')
   .assertTitle('Hello World - Google Search')
   .testComplete()
-  .done(function(err, res){
+  .done(function(err, body, res){
     if (err) throw err;
     console.log('done');
   });

examples/google.nested.js

@@ -13,12 +13,12 @@ var browser = soda.createClient({
 });
 
 browser.session(function(err){
-  browser.open('/', function(err, res){
-    browser.type('q', 'Hello World', function(err, res){
-      browser.clickAndWait('btnG', function(err, res){
-        browser.assertTitle('Hello World - Google Search', function(err, res){
+  browser.open('/', function(err, body){
+    browser.type('q', 'Hello World', function(err, body){
+      browser.clickAndWait('btnG', function(err, body){
+        browser.assertTitle('Hello World - Google Search', function(err, body){
           if (err) throw err;
-          browser.testComplete(function(err, res){
+          browser.testComplete(function(err, body){
             console.log('done');
           });
         });

lib/soda/client.js

@@ -47,13 +47,13 @@ Client.prototype.session = function(fn){
   if (!this.browser) throw new Error('browser required');
   if (!this.url) throw new Error('browser url required');
   if (this.queue) {
-    return this.enqueue('getNewBrowserSession', [this.browser, this.url], function(err, res){
-      self.sid = res.body;
+    return this.enqueue('getNewBrowserSession', [this.browser, this.url], function(err, body){
+      self.sid = body;
     });
   } else {
-    this.command('getNewBrowserSession', [this.browser, this.url], function(err, res){
+    this.command('getNewBrowserSession', [this.browser, this.url], function(err, body){
       if (err) return fn(err);
-      fn(null, self.sid = res.body);
+      fn(null, self.sid = body);
     });
   }
 };
@@ -163,14 +163,14 @@ Client.prototype.done = function(fn){
 Client.prototype.enqueue = function(cmd, args, fn){
   var self = this;
   this.queue.push(function(){
-    self.command(cmd, args, function(err, res){
-      fn && fn(err, res);
+    self.command(cmd, args, function(err, body, res){
+      fn && fn(err, body, res);
       if (err) {
-        self.done(err, res);
+        self.done(err, body, res);
       } else if (self.queue.length) {
         self.queue.shift()();
       } else {
-        self.done(null, res);
+        self.done(null, body, res);
       }
     });
   });