6fc48bc docs: remove old usage docs from readme, point to hosted docs
3d19b98 docs: add link to hosted docs to readme
ecd4bab optim: micro-optimize log level name lookup
e268c68 feat: define __slots__ for logger classes
2c5b791 ci: update gh-actions to run tests for py39
6fffe1a docs: update requirements
944b48c docs: add readthedocs config
ab1a875 docs: add project documentation
a6f4c56 feat: add capability to glob and global disable/enable loggers