WIP: http proxy

src/caosdb/connection/connection.py

@@ -612,7 +612,7 @@ class _Connection(object):  # pylint: disable=useless-object-inheritance
             method=method,
             path=path,
             headers=headers,
-            body=body, **kwargs)
+            body=body)
         _LOGGER.debug("response: %s %s", str(http_response.status),
                       str(http_response.getheaders()))
         self._authenticator.on_response(http_response)