code: def _http_request(self, base_url, **kwargs):
          
  
          # Build our URI
          request_params = urlencode(kwargs)
          uri = u'%s?%s&ywsid=%s&output=%s' % \
              (base_url, request_params, self._client_key, self._output)
  
          self.LOG.debug("_http_request() - URI: %s", uri)
  
          header, response = self._conn.request(uri, method='GET')
  
          return header, response
docs: Perform an HTTP Request using base_url and parameters
          given by kwargs. 
          Results are expected to be given in JSON format
          and are parsed to python data structures.