Added forward_call to the cli handler

                                           'hv_dest': dest['id'],

                                           'author': self.client.login})

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

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

        :param login: login of the connected client

        :param func: function to execute on the client

        :param \*args, \*\*kwargs: arguments of the call

        """

        self.check('forward_call')

        client = self.server.get_client(login)

        return client.conn.call(func, *args, **kwargs)

class CliClient(Client):