Mmmhmm! Just be aware of some fun things to watch out for when it comes to the __init__ and __new__ functions:

http://stackoverflow.com/questions/4071765/in-python-how-do-...

It's kind of a weird idiom because you end up with a class 'Position' inheriting from another class named 'Position'

I have not seen half the stuff here -- black magic! Awesome work Thomas!