Things to do while releasing a new version

This file is a memo for the maintainer.

0. Checks

Check Copyright years in cover-thumbnailer.py (comment and __copyright__ var)
Check Copyright years in cover-thumbnailer-gui.py (comment and __copyright__ var)
Check Copyright years in install.sh (comment)
Check Copyright years in man/cover-thumbnailer.1 (copyright section)
Check Copyright years in man/cover-thumbnailer-gui.1 (copyright section)

1. Release

Update version number in cover-thumbnailer.py (__version__ var)
Update version number in cover-thumbnailer-gui.py (__version__ var)
Update version number in install.sh (comment)
Update version number and date in man/cover-thumbnailer.1 (header)
Update version number and date in man/cover-thumbnailer-gui.1 (header)
Edit / update changelog in README.md
Commit / tag (git commit -m vX.Y.Z && git tag vX.Y.Z && git push && git push --tags)

2. Publish Github Release

Make a release on Github
Add changelog