Added
- Support of Tencent Msg .mht with option
--fix-html-7bit
- Overwrite with option
--overwrite
- Choose encoding with option
--mht-enc
- A test payload for further auto tests; namely a Tecent Msg .mht file and its
unpacked version.
Changed
- Rewrite some of the workflow into Python 3.10
Changelog: CHANGELOG.md