Two-step login system works perfectly; can't shut the server down

I've also removed a large amount of commented and uncommented code from
in_world.cpp, simply because so much code was dummied out. I can readd
this code as I reimeplement various features.

server/server_logic.cpp

@@ -167,7 +167,7 @@ void ServerApplication::Proc() {
 
 	while(running) {
 		//suck in the waiting packets & process them
-		while(UDPNetworkUtility::GetSingleton().Receive(packetBuffer)) {
+		while(network.Receive(packetBuffer)) {
 			try {
 				HandlePacket(packetBuffer);
 			}