Codedepth

- Renamed DefaultConfig to just Config for ease of use and to standardise it with other projects

This is a very minor change, but it will break code that imports the Config class.

- From v1.0.0 onwards, this package will follow SemVer
- Dependencies are now correctly pinned

- Pinned requirements

No breaking changes.

- Various variables renamed
- Scorer keyword params abstracted into config
- Config is now injected as a dependency into Scorer constructor

Minor breaking changes.

- Exposed additional Constants classes

No breaking changes.

- Exposed Constants classes

No breaking changes.