Merge pull request #13 from ganiserb/patch-1

Add kwargs to backend's authenticate method so that multiple auth backends can be used at the same time

Author: knaperek

djangosaml2/backends.py

@@ -67,7 +67,7 @@ def get_saml_user_model():
 class Saml2Backend(ModelBackend):
 
     def authenticate(self, session_info=None, attribute_mapping=None,
-                     create_unknown_user=True):
+                     create_unknown_user=True, **kwargs):
         if session_info is None or attribute_mapping is None:
             logger.error('Session info or attribute mapping are None')
             return None