def dcc_chat(self, mask, host=None, port=None):
        """Open a DCC CHAT whith mask. If host/port are specified then connect
        to a server. Else create a server"""
        return self.dcc.create(
            'chat', mask, host=host, port=port).ready
Open a DCC CHAT whith mask. If host/port are specified then connect
        to a server. Else create a server