Don't include own IP into call-id: it serves no practical purpose

and can lead to the information leak.

Update actions to latest versions.

Add release section.

Another try to pack in requirements.txt.

Pack in requirements.txt.

Update description to match.

Merge branch 'master' into PRACK

Disable debug code.

Ignore *.pyc/*.pyo properly.

Add distutils-based setup/packaging infrastructure.