game_five-in-a-row

代码说明：

  游戏五子棋，简单实现了两人对战的模式。可以建立连接也可以断开连接。游戏结束会自动给出输赢结果(Playing backgammon, a simple realization two players mode. You can establish a connection can be disconnected. End of the game will automatically give winners and losers)