'Retrieve the data in /info, or {} on 404'

def cluster_info(self):

    status = self.make_request('GET', '/info', cfg={'absolute_path': True})
    if ((status // 100) == 4):
        return {}
    if (not (200 <= status <= 299)):
        raise ResponseError(self.response, 'GET', '/info')
    return json.loads(self.response.read())
