Aga

* Improve documentation by nihilistkitten in https://github.com/nihilistkitten/aga/pull/33


**Full Changelog**: https://github.com/nihilistkitten/aga/compare/v0.5.0...v0.5.1

**Full Changelog**: https://github.com/nihilistkitten/aga/compare/v0.4.2...v0.5.0

**Full Changelog**: https://github.com/nihilistkitten/aga/compare/v0.4.1...v0.4.2

What's Changed

* Implement a custom gradescope test result by nihilistkitten in https://github.com/nihilistkitten/aga/pull/19
* Eliminate support for python 3.6 by nihilistkitten in https://github.com/nihilistkitten/aga/pull/28
* Compute assignment weight by nihilistkitten in https://github.com/nihilistkitten/aga/pull/22


**Full Changelog**: https://github.com/nihilistkitten/aga/compare/v0.4.0...v0.4.1