Merge pull request nschloe#1083 from nschloe/release

version bump

Merge pull request nschloe#1067 from nschloe/doc

readme and data consistency checks

Merge pull request nschloe#1046 from nschloe/version-bump

version bump

Merge pull request nschloe#1033 from nschloe/stl-improvement

Stl improvement

Merge pull request nschloe#1020 from nschloe/lagrange-read

Lagrange read

Merge pull request nschloe#997 from nschloe/hmf

hmf

Merge pull request nschloe#995 from nschloe/nschloegh-993

fix for remove_orphaned_nodes()

Merge pull request nschloe#975 from nschloe/mdpa-fix

Mdpa fix

Merge pull request nschloe#969 from nschloe/prune

re-add prune for backwards compatibility

Merge pull request nschloe#963 from nschloe/version-bump

version bump