Changelog:
============
- 'setup.py' was missing from the source distribution.
- Fixed test in main.yml.
- Moved tests into subfolder.
- Re-organised files.
- Updated to Unicode 17.0.0.
- Enable free-threading support in cibuildwheel in another place.
- Enable free-threading support in cibuildwheel.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
