## TODO
- handle horizontal and vertical lines
- handle quadratic bezier curves
- handle arcto
- handle non-matrix transforms
- move converter out of GCode module
- fix Point
  - make base Point class
  - make GCode point class
    - convert between the two
    - use in Program

## TODO LATER
- print comments where they lay
- optionally print GCode desciptions
- write docs
- optimise cut order
- cut to depth in multiple passes
- v-engrave filled areas