Needs a few obvious optimizations, and rotated isn't implemented yet.
Needs a stress-test script.
Added a script to test the difference between FindColorsTolerance and FindColorsToleranceOptimisation.
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@260 3f818213-9676-44b0-a9b4-5e4c4e03d09d