Htmldate

- maintenance release, code base cleaned
- command-line interface: `--version` added
- file parsing reviewed

- faster and more accurate encoding detection
- simplified code base
- include support for Python 3.10 and dropped support for Python 3.5

- improved generic date parsing (thanks RadhiFadlillah)
- specific support for French and Indonesian (thanks RadhiFadlillah)
- additional evaluation for English news sites (kudos to coreydockser & rahulbot)
- bugs fixed

- improved exhaustive search
- simplified code
- bug fixes
- removed support for Python 3.4

- bugfixes

- `dateparser` and `regex` modules fully integrated
- patterns added for coverage
- smarter HTML doc loading