Restructure folders
Add flexibility to path logic
Play nice with PsychoPy. Two issues fixed, possibly due to regressions in recent versions of PsychoPy:
- rgba color tuples not accepted, replaced by rgb tuples
- `Line` object broken. Fallback to `ShapeStim`
Don't use space-based indentation (or at least don't mix and match)
Merge branch 'master' of https://github.com/smathot/PyGaze
redoing some stuff...