Implemented title command on cli handler

        return errs.get_dict()

    @listed

    def title(self, query, new_title):

        """ Edit the title of a VM.

        :param query: the tql query to select objects.

        """

        objects = self.client.list(query, show=('r', 'p', 'h'), method='shell')

        if not objects:

            raise NotImplementedError('No objects matched by query')

        elif len(objects) != 1:

            raise NotImplementedError('Can change title on only one VM at once')

        errs = Reporter()

        for obj in objects:

            if obj['r'] != 'vm':

                errs.error(obj['id'], 'bad role')

                continue

            try:

                hvcon = self.server.get_client(obj['p'])

            except KeyError:

                errs.error(obj['id'], 'hypervisor not connected')

            else:

                try:

                    hvcon.proxy.vm_change_title(obj['h'], new_title)

                except Exception as err:

                    errs.error(obj['id'], str(err))

                else:

                    errs.success(obj['id'], 'title has been edited')

        return errs.get_dict()

    #

    # Account management: