code: def query_by_id(self, id):
          
          return json.loads(self._get(UrlEncoded(str(id))).body.read().decode('utf-8'))
docs: Returns object with _id = id.
  
          :param id: Value for ID. If not a string will be coerced to string.
          :type id: ``string``
  
          :return: Document with id
          :rtype: ``dict``