* Python binding:
- Added missing `license` field in pyproject.toml file
- Fixed editable mode install and some more code cleanup in setup.py
- Refreshed README.md
- Replaced f-string formatter in tests with `format` method in order to be py2-compatible
- Fixed typos
- PEP8 fixes
* GitHub Action: Install Python2.7 and run tests for re-tagged wheels on native arch runners only
* Python bindings:
- Use #x formatter to format hex values
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