The geometry classes have defaults in a bunch of places and are used as defaults in a bunch of other places, so it would be sensible to make the default readable. Color and Color8Bit are simple enough as well.

These should have a repr similar to dataclasses, IMO.

See https://rust-lang.github.io/api-guidelines/ for details.

• Naming (crate aligns with Rust naming conventions)
  • Casing conforms to RFC 430 ([C-CASE])
  • Ad-hoc conversions follow as_, to_, into_ conventions ([C-CONV])
  • Getter names follow Rust convention ([C-GETTER])
  • ~~Methods on collections that produce iterators follow iter, iter_mut, `

Should use pkgutil instead.

This mainly manifests itself by the need to create an autonomous/__init__.py (i.e. currently an "implicit" package can't be used), although this can also cause problems if a user accidentally creates an autonomous.py (or maybe this is a feature?).