Connect 4

A two player Connect 4 game

Execution instructions:

1. Using a new Eclipse project include 'core.jar' from the Processing website: https://processing.org/tutorials/eclipse/
2. Execute 'TestServer' to run the server.
3. If multiple machines are used to play the game, change 'localhost' in 'TestClient' to the local IP address of the machine running 'TestServer'.
4. Run 'TestClient' to start the game for a player. Run it once per machine, to start a 2 player game.