Fixed typo in documentation.

I'm bored.
DebugTools: got rid of unnecessary normalization.

The tests needed slight ugly adjustment, but I can live with that.
DebugTools: simplified 3D ForceRenderer transformation computation.
DebugTools: simplified also 2D ForceRenderer transformation computation.

Also removed unneeded tests, as they don't reflect the code in any way.
DebugTools: saved some repetitive multiplication/division.

Saves ONE division. Awesome. I'm bored more.
DebugTools: auto? auto, auto.
DebugTools: properly implemented special cases for CapsuleRenderer.