Move MEAT ARENA's monsters to a data directory.
Cast to string when logging to debug.
TODO updates.
Remove deprecated import.
Huge restructuring of the Actor class.

Moves a lot of its functionality to an Agent base class, and adds the Component
and Trait systems with a very basic implementation. Also, lots of code cleanup
and commenting.
Update for new method of getting actor properties.
Stub file for a combat AI component.
Move most of actors/action.py into agents/components/*.