Modified the value of constant MAX_GAME_TEAMS
Added a argument at the calling of function game_createGame
Added the function game_winningTeam
Added the documentation and the declaration of function game_winningTeam
Added the tests for the function game_winningTeam
Renamed numberPoints in pointsNumber
Now check it if the team is NULL
Fixed the tests of function game_winningTeam
Merge pull request #114 from EnachescuAlin/winningTeam

Winning team
fix #111