Cleaned up some bad imports, and removed some unnecessiary globals.
Removed an unused method.
Removed socket reject from arena on max players limit reached.
Set Team to be an Int instead of an Object.
Cleaned up a little.
Fixed an NPE in the AbstractHandler.
Added proper action on close.
Added some fixes to the data handler.
Fixed how JSON was sent in the WebSocket handler.
Just moving things around, apparently.