'Create an ArtifactResponse
:return:'

def create_artifact_response(self, request, artifact, bindings=None, status=None, sign=False, issuer=None):

    rinfo = self.response_args(request, bindings)
    response = self._status_response(ArtifactResponse, issuer, status, sign=sign, **rinfo)
    msg = element_to_extension_element(self.artifact[artifact])
    response.extension_elements = [msg]
    logger.info(('Response:    %s' % (response,)))
    return response
