* deprecate `_get_imports` in favor of new `_get_imports_list`
* `_get_all_imports` now returns an `ImportList`
* Compiler uses `ImportList.collapse` to get an `ImportDict`
* build pyi files when building/publishing 3rd party
* fix typo in workflow
* add future annotation
* add tests to pass coverage check
* add more unit tests
* omit pyi_generator from test coverage
* change black from dev deps to direct deps
* remake all pyi
* format pyi if black is present, return as if otherwise
* fix requested changes
---------
Co-authored-by: Masen Furer <m_github@0x26.net>
