Log Message:
py-allpairspy: updated to 2.5.1

v2.5.1

examples/compare_to_others.py minor changes
Fix typo in MANIFEST.in
Add support for Python 3.9/3.10/3.11
Drop support for Python 2.7/3.5/3.6
Remove unused setup.cfg
Update [build-system]
Modify to use pypa/build for package build