add missing documentation, change CheckIfPlayerWinHisServe (TO DO! if match switch to next set, program can't recognize if player win his last gem, [maybe we can take this information from players won sets?])
add missing documentation, change CheckIfPlayerWinHisServe (TO DO! if match switch to next set, program can't recognize if player win his last gem, [maybe we can take this information from players won sets?])

MichalCab/chance,MichalCab/chance