Merge branch 'patch-1' of https://github.com/lcya86/mongoengine into 0.8

docs/upgrade.rst

@@ -294,3 +294,9 @@ Alternatively, you can rename your collections eg ::
         else:
             print "Upgraded collection names"
 
+
+mongodb 1.8 > 2.0 +
+===================
+
+Its been reported that indexes may need to be recreated to the newer version of indexes.  
+To do this drop indexes and call ``ensure_indexes`` on each model.

mongoengine/django/sessions.py

@@ -35,6 +35,9 @@ class MongoSession(Document):
             'db_alias': MONGOENGINE_SESSION_DB_ALIAS,
             'allow_inheritance': False}
             
+    def get_decoded(self):
+        return SessionStore().decode(self.session_data)
+
 
 class SessionStore(SessionBase):
     """A MongoEngine-based session store for Django.