File structure:
~~~~~~~~~~~~~~~

/                   : root directory

  tournament.py     : python script that runs the tournament

  engine/           : contains the game engine class
    game.py         : handles the game mechanics

  players/          : contains all the players
    players.py      : finds available players for the tournament

    randomPlayer/   : test player
    alice/          : contributed players
    bob/ 
    ...
      player.py     : top-level class to be loaded
      __init__.py   : (empty file) required to load modules
      poo.py        : any additional required files