Bugfix release.
What's Changed
- try to build for LMDE5, Debian11 and cross-build for macOS by @efa in #160
- added Debian 12 to debianize.sh by @efa in #172
- makeAppImage.sh : create portable/cross-distro Linux packages by @efa in #173
Full Changelog: v0.3.9...v0.4.0
