Fix all_groups from summary

auth.py

@@ -17,6 +17,9 @@ class User:
         self.obsolete = obsolete
         self.permanent = permanent
 
+    def __repr__(self):
+        return "<User({})>".format(self.username)
+
     def summarize(self):
         return ":".join((
             self.username, ",".join(self.groups), ",".join(self.all_groups),
@@ -33,7 +36,7 @@ class User:
         timestamp = datetime.fromtimestamp(float(timestamp_str))
         obsolete = obsolete_str == "True"
         groups = group_str.split(",")
-        all_groups = group_str.split(",")
+        all_groups = all_group_str.split(",")
         permanent = permanent_str == "True"
         return User(name, groups, all_groups, timestamp, obsolete, permanent)