Creates a transport channel.

        :return: transport channel instance
        :rtype: :class:`fatbotslim.irc.tcp.TCP` or :class:`fatbotslim.irc.tcp.SSL`

def _create_connection(self):
        """
        Creates a transport channel.

        :return: transport channel instance
        :rtype: :class:`fatbotslim.irc.tcp.TCP` or :class:`fatbotslim.irc.tcp.SSL`
        """
        transport = SSL if self.ssl else TCP
        return transport(self.server, self.port)