gistfile1.js

// wrong
      two: function(callback){
        // See if the player can join anymore rooms
        if (playerRooms(user.id) == false || roomExists(data.room) < 1) {
          socket.emit('error', "You can't join this table.");
          return false;
        }
        callback(null, 1);
      },

// should work
      two: function(callback){
        // See if the player can join anymore rooms
        playerRooms(user.id, function(playerRoomsResult) {
          if (playerRoomsResult == false || roomExists(data.room) < 1) {
            socket.emit('error', "You can't join this table.");
            return false; // this line is still wrong
          }
          callback(null, 1);
        })
      },