accidentally deleted variable. fixed

server.js

@@ -150,6 +150,7 @@ Proxy.prototype.clientConnected = function( client ) {
  */
 Proxy.prototype.emitClientPool = function () {
     // 1. First we need to generate the list of connected clients
+    var unconnectedClients = "";
     for (var key in Proxy.prototype.clientPool) {
         if (Proxy.prototype.clientPool.hasOwnProperty(key)) {
             var potentialClient = Proxy.prototype.clientPool[ key ];