TODO - SBUMAD/4by4 GitHub Wiki
TO DO:
- 
Update score and # of moves 
- 
Handle Game Over state 
Extra Features:
- 
Preferences for grid size 
- 
Prettier GUI 
How it looks as of this writing:

TO DO:
Update score and # of moves
Handle Game Over state
Extra Features:
Preferences for grid size
Prettier GUI
How it looks as of this writing:
