Bumped CoolProp version once more

one more CI update

Merge pull request #123 from jowr/feature/release_ci

added a switch to disable coolprop

Reuse CoolProp downloads

added caching and matrix build for openmodelica

Prepare for a release of v41.1.

remove merged artifacts

Some more small changes

Cleaned up and removed unused code

Unify the tag handling

Try to cache the OMDev checkout

Trying to fix #119 and closes #115

Working on fixing the release CI scripts

Merge pull request #117 from maltelenz/macos-builds