Merge pull request #11 from ajsmilutin/master

Fix faulty session invalidation on sync

Author: knaperek

djangosaml2/cache.py

@@ -37,6 +37,10 @@ def _set_objects(self, objects):
     def sync(self):
         # Changes in inner objects do not cause session invalidation
         # https://docs.djangoproject.com/en/1.9/topics/http/sessions/#when-sessions-are-saved
+
+        #add objects to session
+        self._set_objects(self)
+        #invalidate session
         self.session.modified = True