Copied RNP code into dummy client
Added PING and CLOSING messages to spec. Various bug fixes

 - Added error logging to the RobotConnection class. All exceptions that occur while connected should be rerouted to the console and the RobotConnection reset to an operational not connected state.
 - Fixed InitialStatus Get_Bytes property returning an incorrect array
 - Fixed Bug where the server's TcpListerner was not stopped correctly
 - Remvoed CircularBuffer and RobotConnection classes from the dummy client
Merge branch 'dev-netcode' into dev
Updated version to 0.3