Modernize

- Remove gui because PySide only worked on 3.4.
- Pin specific versions of dependencies.
- Restructure folders.
- Replace optparse with argparse.
- Add type hints.
- Add more explanation in comments.
- Use namedtuples for readability.
- Added different images.
- Use the black linter.

added setup.py/restructured directories to reflect.

readme never works right the second time

removed prints, fixed spellings, general cleanup