Changed x and y properties for Kreis to center, cuts down number of updates by a factor 2
Kreis minit now makes sense
Kreis minit now makes sense
Fleshed out pygame-based graphics engine
Converge toward pggraphics
Ugly switch to pggraphics. Welt is dependant of the render loop
Now with separate event loops for logic and render. Eat CPU comme un mort de faim. Slightly annoying
Explicited switch to pygame, removed old qt graphics engine