Refactor

Updated handlers by spliting the TcpStream in half to allow reading and writing data at the same time.
This fixes an issue where you are unable to get chat messages until the client sends a packet to the server

Fixed client id's by adding the id manager
Added shout chat handling

proto/chat.proto

@@ -23,4 +23,5 @@ message ChatMessage {
     MessageType type = 2;
     string message = 3;
     string target_id = 4;
+    string sender = 5;
 }