Courlan

- `UrlStore.get_download_urls()`: `timelimit` removed, fix type hints (119, 19c580e)
- `extract_links()`: deprecate `base_url` parameter (121)
- setup: simplify workflow (118)

- `UrlStore` compression: make bz2 and zlib optional, update pickle protocol (113)
- `extract_links()`: review and document, add deprecation warning for `base_url` argument (115)
- maintenance: add `__all__` to `init.py` and lint code (116)

- parsing: validate netloc with port number by naz-theori in 104
- cleaning: fix handling of apostrophes (107)
- maintenance: deprecate Python 3.6 & 3.7, add `pyproject.toml` setup file (59, 105)

- more compact UrlStore: use bytes instead of str for URL paths (88)
- UrlStore maintenance: deprecate `timelimit` argument (101)
- maintenance: simplify code (103)
- support for Python 3.13

- replace `langcodes` by `babel` and use its information on locales (89, 92)
- simplified and faster code: domain extraction, cleaning, filters and UrlStore (90, 93, 94, 95)
- UrlStore: better url batches, replace `timelimit` parameter by `time_limit` (91)
- maintenance: update readme and convert it to markdown (97)

- license change from GPLv3+ to Apache 2.0 (81)
- UrlStore: `write()` method and `load_store()` function added (83)
- add parameter `trailing_slash` to keep of discard slashes at the end of URLs (52)
- maintenance: fix whitespace in `clean_url()` (77), simplify code (79)