Merge branch 'patch-1' of https://github.com/KimSchneider/node-http-proxy

closes #80
Conflicts:
	lib/node-http-proxy.js

Author: dominictarr

lib/node-http-proxy.js

@@ -59,11 +59,12 @@ function _getAgent (host, port, secure) {
   if (!_agents[id]) {
     Agent = secure ? https.Agent : http.Agent;
 
-    _agents[id] = new Agent({
-      host: host,
-      port: port,
-      maxSockets: maxSockets
+    _agents[id] = new Agent({ 
+      host: host, 
+      port: port
     });
+
+    _agents[id].maxSockets = maxSockets;
   }
 
   return _agents[id];