Merge branch '360-modulecmd-overlayexcludes-matches-everything-if-empty' into 'master'
Resolve "modulecmd: OverlayExcludes matches everything if empty"
Closes #360 (closed)
See merge request !367 (merged)
(cherry picked from commit 99a16899)
a86a0a7c modulecmd: bugfix in handling overlay excludes
Co-authored-by: gsell achim.gsell@psi.ch