Added forward function in cli handler

        stun.close()

        return rcode

    @listed

    def forward(self, label, login, port, destination='127.0.0.1'):

        """ Forward a TCP port to the client.

        """

        # Create the tunnel to the node:

        try:

            host_client = self.server.get_client(login)

        except KeyError:

            raise KeyError('Specified client is not connected')

        s2n_tun = host_client.forward(port, destination)

        # Create tunnel to the CLI

        self.client.register_tunnel('forward', host_client, s2n_tun)

    def forward_call(self, login, func, *args, **kwargs):

        """ Forward a call to a connected client and return result.