code: function Connection(socket, pool) {
      _classCallCheck(this, Connection);
  
      this.socket = socket;
      this.id = socket.id;
      this.pool = pool;
      this.incomingFilters = [];
    }
docs: @constructor
  
  Builds the class instance.
  
  @param  {Object} socket A Socket.io socket object.
  @param  {Object} pool   The Socket.io pool.
  
  @return {undefined}