docs: def start(self, historics_id):
          """ Start the historics job with the given ID.
  
              Uses API documented at http://dev.datasift.com/docs/api/rest-api/endpoints/historicsstart
  
              :param historics_id: hash of the job to start
              :type historics_id: str
              :return: dict of REST API output with headers attached
              :rtype: :class:`~datasift.request.DictResponse`
              :raises: :class:`~datasift.exceptions.DataSiftApiException`, :class:`requests.exceptions.HTTPError`
          """
          return self.request.post('start', data=dict(id=historics_id))