Moving files into separated rollbot module

src/command_system/__init__.py → rollbot/rollbot/__init__.py

@@ -1,3 +1,4 @@
+from .bot import Rollbot
 from .messaging import pop_arg, RollbotMessage, RollbotFailure, RollbotResponse
 from .database import as_group_singleton, ModelBase
 from .plugins import as_plugin, RollbotPlugin