Implement create_thread as required by parent.

        This basically just calls add_comment with allow_create=True
        and then builds a response object to indicate everything is fine.

def create_thread(self, body):
        """Implement create_thread as required by parent.

        This basically just calls add_comment with allow_create=True
        and then builds a response object to indicate everything is fine.
        """
        self.add_comment(body, allow_create=True)
        the_response = Response()
        the_response.code = "OK"
        the_response.status_code = 200