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

Merge pull request nschloe#958 from nschloe/h5py-3.0

fix for h5py 3.0

Merge pull request nschloe#954 from nschloe/gmsh-type

export gmsh type conversion

Merge pull request nschloe#949 from nschloe/ply-fix

ply fix

Merge pull request nschloe#944 from nschloe/better-prunes

some additions for _mesh

Merge pull request nschloe#937 from nschloe/vtk-fix2

VTK fix

Merge pull request nschloe#926 from nschloe/gmsh_to_meshio_type

Gmsh to meshio type

Merge pull request nschloe#910 from nschloe/remove-python-3.5

Remove python 3.5