commit before revert
Revert d8334c7..77b0a57

This rolls back to commit d8334c7375e088f78a84751e0f656c4d6d6c22f5.
attempt to speed up clear screen
35x speedup in clrScreen

went from 223ms per call to 6.2ms
update gitignore
grr
Merge branch 'Triangle_optimization'
inlined steeple, added drawRect