Knowit

- Drop python 2.x support
- Code refactoring (add type support, cosmetic changes, etc)
- Add support to mkvmerge (MKVToolNix) provider
- Add basic HDR detection (HDR10 and Dolby Vision)
- Fix MediaInfo support for latest versions

- last python 2.7 compatible release
- support for path-like objects
- fixes subrip detection in old ffmpeg versions
- improve error reporting
- fixes attribute error in MediaInfo provider
- fixes ffmpeg not found on system
- added python 3.7, 3.8 and 3.9 support
- fixes mediainfo dll detection on windows

- Added container to output
- Changed Pint as an optional dependency
- Added options to output values without units
- Added MOV Text as subtitle format

- Fixed providers loading order: mediainfo, ffmpeg, enzyme

- Added FFmpeg / FFprobe provider
- Improved mediainfo detection
- Added mediainfo cli fallback

- Minor bugfix