[gpgmepy] Release a new version?

[Paul Schwabauer]

There have been many changes to the|gpgmepy|bindings recently. While not 
all issues are resolved yet, it would be helpful to tag a new release. 
This would allow to update the PyPI entry, making it easier for others 
to test the current state and identify any issues in their workflows.

Some fixes might unintentionally break things for other users, so I 
believe it's a good time to release a version that still allows building 
a working source distribution package.

I'm not familiar with the release process, so I'd appreciate it if 
someone else could handle the release.