I believe that this was a wrong decision. Patching

stamparm · stamparm · commit bc215d1b19a3 · 2015-11-09T14:11:08.000+01:00
diff --git a/lib/request/redirecthandler.py b/lib/request/redirecthandler.py
@@ -38,9 +38,9 @@ def _get_header_redirect(self, headers):
 
         if headers:
             if "location" in headers:
-                retVal = headers.getheaders("location")[0].split("?")[0]
+                retVal = headers.getheaders("location")[0]
             elif "uri" in headers:
-                retVal = headers.getheaders("uri")[0].split("?")[0]
+                retVal = headers.getheaders("uri")[0]
 
         return retVal
 
