diff --git a/lib/node-http-proxy/http-proxy.js b/lib/node-http-proxy/http-proxy.js
index 3306def..e6577cc 100644
--- a/lib/node-http-proxy/http-proxy.js
+++ b/lib/node-http-proxy/http-proxy.js
@@ -52,14 +52,14 @@ var HttpProxy = exports.HttpProxy = function (options) {
   if (!options || !options.target) {
     throw new Error('Both `options` and `options.target` are required.');
   }
-    
+
   events.EventEmitter.call(this);
-  
+
   var self  = this;
 
   //
-  // Setup basic proxying options: 
-  // 
+  // Setup basic proxying options:
+  //
   // * forward {Object} Options for a forward-proxy (if-any)
   // * target {Object} Options for the **sole** proxy target of this instance
   //
@@ -69,23 +69,23 @@ var HttpProxy = exports.HttpProxy = function (options) {
   //
   // Setup the necessary instances instance variables for
   // the `target` and `forward` `host:port` combinations
-  // used by this instance. 
+  // used by this instance.
   //
   // * agent {http[s].Agent} Agent to be used by this instance.
   // * protocol {http|https} Core node.js module to make requests with.
   // * base {Object} Base object to create when proxying containing any https settings.
-  //  
+  //
   function setupProxy (key) {
     self[key].agent    = httpProxy._getAgent(self[key]);
     self[key].protocol = httpProxy._getProtocol(self[key]);
-    self[key].base     = httpProxy._getBase(self[key]); 
+    self[key].base     = httpProxy._getBase(self[key]);
   }
-  
+
   setupProxy('target');
-  if (this.forward) { 
-    setupProxy('forward'); 
+  if (this.forward) {
+    setupProxy('forward');
   }
-  
+
   //
   // Setup opt-in features
   //
@@ -103,7 +103,7 @@ var HttpProxy = exports.HttpProxy = function (options) {
   //
   this.source       = options.source       || { host: 'localhost', port: 8000 };
   this.source.https = this.source.https    || options.https;
-  this.changeOrigin = options.changeOrigin || false;  
+  this.changeOrigin = options.changeOrigin || false;
 };
 
 // Inherit from events.EventEmitter
@@ -116,14 +116,14 @@ util.inherits(HttpProxy, events.EventEmitter);
 // #### @buffer {Object} Result from `httpProxy.buffer(req)`
 //
 HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
-  var self = this, 
+  var self = this,
       errState = false,
       outgoing = new(this.target.base),
       reverseProxy;
 
   //
   // Add common proxy headers to the request so that they can
-  // be availible to the proxy target server. If the proxy is 
+  // be availible to the proxy target server. If the proxy is
   // part of proxy chain it will append the address:
   //
   // * `x-forwarded-for`: IP Address of the original request
@@ -134,7 +134,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
     if (req.headers['x-forwarded-for']){
       var addressToAppend = "," + req.connection.remoteAddress || req.socket.remoteAddress;
       req.headers['x-forwarded-for'] += addressToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-for'] = req.connection.remoteAddress || req.socket.remoteAddress;
     }
@@ -142,7 +142,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
     if (req.headers['x-forwarded-port']){
       var portToAppend = "," + req.connection.remotePort || req.socket.remotePort;
       req.headers['x-forwarded-port'] += portToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-port'] = req.connection.remotePort || req.socket.remotePort;
     }
@@ -150,7 +150,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
     if (req.headers['x-forwarded-proto']){
       var protoToAppend = "," + (req.connection.pair ? 'https' : 'http');
       req.headers['x-forwarded-proto'] += protoToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-proto'] = req.connection.pair ? 'https' : 'http';
     }
@@ -217,7 +217,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
   outgoing.headers = req.headers;
 
   //
-  // Open new HTTP request to internal resource with will act 
+  // Open new HTTP request to internal resource with will act
   // as a reverse proxy pass
   //
   reverseProxy = this.target.protocol.request(outgoing, function (response) {
@@ -286,10 +286,10 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
       ended = true
       if (!errState) {
         reverseProxy.removeListener('error', proxyError);
-        
+
         try { res.end() }
         catch (ex) { console.error("res.end error: %s", ex.message) }
-        
+
         // Emit the `end` event now that we have completed proxying
         self.emit('end', req, res);
       }
@@ -313,19 +313,19 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
   // `req` write it to the `reverseProxy` request.
   //
   req.on('data', function (chunk) {
-    
+
     if (!errState) {
       var flushed = reverseProxy.write(chunk);
       if (!flushed) {
         req.pause();
         reverseProxy.once('drain', function () {
-          try { req.resume() } 
+          try { req.resume() }
           catch (er) { console.error("req.resume error: %s", er.message) }
         });
-        
+
         //
         // Force the `drain` event in 100ms if it hasn't
-        // happened on its own. 
+        // happened on its own.
         //
         setTimeout(function () {
           reverseProxy.emit('drain');
@@ -367,7 +367,7 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
 // #### @socket {net.Socket} Socket for the underlying HTTP request
 // #### @head {string} Headers for the Websocket request.
 // #### @buffer {Object} Result from `httpProxy.buffer(req)`
-// Performs a WebSocket proxy operation to the location specified by 
+// Performs a WebSocket proxy operation to the location specified by
 // `this.target`.
 //
 HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer) {
@@ -387,10 +387,10 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
     //
     return socket.destroy();
   }
-  
+
   //
   // Add common proxy headers to the request so that they can
-  // be availible to the proxy target server. If the proxy is 
+  // be availible to the proxy target server. If the proxy is
   // part of proxy chain it will append the address:
   //
   // * `x-forwarded-for`: IP Address of the original request
@@ -401,7 +401,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
     if (req.headers['x-forwarded-for']){
       var addressToAppend = "," + req.connection.remoteAddress || req.connection.socket.remoteAddress;
       req.headers['x-forwarded-for'] += addressToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-for'] = req.connection.remoteAddress || req.connection.socket.remoteAddress;
     }
@@ -409,7 +409,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
     if (req.headers['x-forwarded-port']){
       var portToAppend = "," + req.connection.remotePort || req.connection.socket.remotePort;
       req.headers['x-forwarded-port'] += portToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-port'] = req.connection.remotePort || req.connection.socket.remotePort;
     }
@@ -417,7 +417,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
     if (req.headers['x-forwarded-proto']){
       var protoToAppend = "," + (req.connection.pair ? 'wss' : 'ws');
       req.headers['x-forwarded-proto'] += protoToAppend;
-    } 
+    }
     else {
       req.headers['x-forwarded-proto'] = req.connection.pair ? 'wss' : 'ws';
     }
@@ -432,7 +432,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
   function _socket(socket, keepAlive) {
     socket.setTimeout(0);
     socket.setNoDelay(true);
-    
+
     if (keepAlive) {
       if (socket.setKeepAlive) {
         socket.setKeepAlive(true, 0);
@@ -445,7 +445,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
       socket.setEncoding('utf8');
     }
   }
-  
+
   //
   // Setup the incoming client socket.
   //
@@ -474,13 +474,13 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
           if (!flushed) {
             proxySocket.pause();
             reverseProxy.incoming.socket.once('drain', function () {
-              try { proxySocket.resume() } 
+              try { proxySocket.resume() }
               catch (er) { console.error("proxySocket.resume error: %s", er.message) }
             });
-            
+
             //
             // Force the `drain` event in 100ms if it hasn't
-            // happened on its own. 
+            // happened on its own.
             //
             setTimeout(function () {
               reverseProxy.incoming.socket.emit('drain');
@@ -506,13 +506,13 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
         if (!flushed) {
           reverseProxy.incoming.socket.pause();
           proxySocket.once('drain', function () {
-            try { reverseProxy.incoming.socket.resume() } 
+            try { reverseProxy.incoming.socket.resume() }
             catch (er) { console.error("reverseProxy.incoming.socket.resume error: %s", er.message) }
           });
-          
+
           //
           // Force the `drain` event in 100ms if it hasn't
-          // happened on its own. 
+          // happened on its own.
           //
           setTimeout(function () {
             proxySocket.emit('drain');
@@ -572,7 +572,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
       protocolName = this.target.https ? 'https' : 'http',
       portUri      = getPort(this.source.port),
       remoteHost   = this.target.host + portUri;
-  
+
   //
   // Change headers (if requested).
   //
@@ -591,7 +591,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
   outgoing.path    = req.url;
   outgoing.headers = req.headers;
   outgoing.agent   = agent;
-  
+
   var reverseProxy = this.target.protocol.request(outgoing);
 
   //
@@ -678,13 +678,13 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
         if (!flushed) {
           revSocket.pause();
           socket.once('drain', function () {
-            try { revSocket.resume() } 
+            try { revSocket.resume() }
             catch (er) { console.error("reverseProxy.socket.resume error: %s", er.message) }
           });
 
           //
           // Force the `drain` event in 100ms if it hasn't
-          // happened on its own. 
+          // happened on its own.
           //
           setTimeout(function () {
             socket.emit('drain');
@@ -693,7 +693,7 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
       }
       catch (ex) {
         //
-        // Remove data listener on socket error because the 
+        // Remove data listener on socket error because the
         // 'handshake' has failed.
         //
         revSocket.removeListener('data', handshake);
@@ -714,8 +714,8 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, buffer)
 
   try {
     //
-    // Attempt to write the upgrade-head to the reverseProxy 
-    // request. This is small, and there's only ever one of 
+    // Attempt to write the upgrade-head to the reverseProxy
+    // request. This is small, and there's only ever one of
     // it; no need for pause/resume.
     //
     // XXX This is very wrong and should be fixed in node's core
@@ -763,7 +763,7 @@ HttpProxy.prototype.close = function () {
 // by `this.forward` ignoring errors and the subsequent response.
 //
 HttpProxy.prototype._forwardRequest = function (req) {
-  var self = this, 
+  var self = this,
       outgoing = new(this.forward.base),
       forwardProxy;
 
@@ -778,7 +778,7 @@ HttpProxy.prototype._forwardRequest = function (req) {
   outgoing.headers = req.headers;
 
   //
-  // Open new HTTP request to internal resource with will 
+  // Open new HTTP request to internal resource with will
   // act as a reverse proxy pass.
   //
   forwardProxy = this.forward.protocol.request(outgoing, function (response) {
@@ -805,13 +805,13 @@ HttpProxy.prototype._forwardRequest = function (req) {
     if (!flushed) {
       req.pause();
       forwardProxy.once('drain', function () {
-        try { req.resume() } 
+        try { req.resume() }
         catch (er) { console.error("req.resume error: %s", er.message) }
       });
 
       //
       // Force the `drain` event in 100ms if it hasn't
-      // happened on its own. 
+      // happened on its own.
       //
       setTimeout(function () {
         forwardProxy.emit('drain');
@@ -820,7 +820,7 @@ HttpProxy.prototype._forwardRequest = function (req) {
   });
 
   //
-  // At the end of the client request, we are going to 
+  // At the end of the client request, we are going to
   // stop the proxied request
   //
   req.on('end', function () {