Remove old classes.
Move content from old classes to these new classes.
Modify TicTacToeGui to use new classes.
Update comments in TicTacToeGui
Add disconnect method to the TicTacToe interface
Add "leave game" and "mark clicked" handling
Add turn handling
Add some awesome methods and stuff
Implement the methods from the interface
Add turn handling and opponent initialization
Fix title and setName
Add newGame function-call to remote
Implement newGame and leaveGame
Add newGame to Interface
Minor rearranging
Add empty checkWinner method