Sends a raw line to the server.

        :param command: line to send.
        :type command: unicode

def _send(self, command):
        """
        Sends a raw line to the server.

        :param command: line to send.
        :type command: unicode
        """
        command = command.encode('utf-8')
        log.debug('>> ' + command)
        self.conn.oqueue.put(command)