Git issue 565: Support the free-threaded build of CPython 3.13

Git PR 585: Fix AttributeError: 'AnyAll' object has no attribute '_key'

Git issue 584: AttributeError: 'AnyAll' object has no attribute 'posi…

…tive'

Git issue 575: Issues with ASCII/Unicode modifiers

Updated main.yml and pyproject.toml.

Git issue 580: Regression in v2025.7.31: \P{L} no longer matches in s…

…imple patterns

Updated version and added changes to changelog.txt.

Merge pull request #574 from facelessuser/bugfix/wheels

Get builds working

Git issue 572: Inline ASCII modifier doesn't seem to affect anything

Updated licence format in pyproject.toml.