Add human_readable_list to __all__ in strutils

bit more info in docstring

backwards compatible once decorator (and test). doesn't rely on functools.cache (added in 3.9), just uses a nonlocal sentinel.

add missing py39 to the tox.ini

add once decorator

Extend partition to accept multiple predicates

Adds cache option to remap and use in research

fix(human_readable_list): altering f-string syntax to have backwards compatibility with Python <3.12

feat(strutils): add human_readable_list function to format lists of strings

Merge branch 's-t-e-v-e-n-k-support-pytest-9'

Support pytest 9 changes

add py314

fix strutils

fix html2text

Fix barrellist sort with multiple lists