v6.1.1

Commits

• ff19846: Restructure yencfiles used in tests (Safihre)
• c266cf3: No longer run tests on Python 3.7 (Safihre)
• 9b9e28f: Do not build i686 wheels (Safihre)
• 9bcc25d: Update all os to latest and use Python 3.11 for setup (Safihre)
• 23f0323: Run tests on all the latest os (Safihre)
• a84711c: Add typing file (Safihre)
• d89b74b: Put C-extension as a submodule to allow typing (Safihre)
• 726aa25: Prevent 32bit overflow (Safihre)