prep release of version 4.2.0

Merge branch 'main' of ssh://github.com/GrossfieldLab/loos

Tagging version 4.1.0

Merge branch 'main' of github.com:GrossfieldLab/loos

Merging latest changes from main...

More specific...

Changes to RPATH handling for OSX

Bug fix: correctly catch loos::StopIteration exceptions for AtomicGro…

…upIterator

Loosening requirement on libnetcdf version to be less than 4.9

updatery

removed old tarball