Canvaslms

What's Changed
* Makes submission use rich for output (fixes 71) by dbosk in https://github.com/dbosk/canvaslms/pull/72


**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v2.2...v2.3

Fixes so that grade has mandatory options, without breaking anything else.

**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v2.1...v2.2

Downgrades canvasapi dependency from 3.0.0 (which breaks canvaslms) to previous
version (which doesn't break canvaslms).

**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v2.0...v2.1

Makes grade command take mandatory -u option. This way if one forgets to
specify a user one doesn't grade the whole course.

**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v1.20...v2.0

What's Changed
* Use poetry by dbosk in https://github.com/dbosk/canvaslms/pull/69
* Improve course listing, only include current courses, unless -a specified


**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v1.17...v1.20

The `submission` command now lists quiz answers (Classic Quizzes only) if there
are any.

**Full Changelog**: https://github.com/dbosk/canvaslms/compare/v1.15...v1.17