model upgrade

orm/__init__.py

@@ -1,10 +1,13 @@
 from orm.rbac import Organization, Operation, Resource, Permission, Role
 from orm.user import User
 from orm.message import Message
+from orm.topic import Topic
+from orm.rating import Rating
+from orm.notification import Notification
 from orm.shout import Shout
 from orm.base import Base, engine
 
-__all__ = ["User", "Role", "Operation", "Permission", "Message", "Shout"]
+__all__ = ["User", "Role", "Operation", "Permission", "Message", "Shout", "Topic", "Rating", "Notification"]
 
 Base.metadata.create_all(engine)
 Operation.init_table()