v0.6.0 - Upgrade to tetgen 1.6

What's Changed

• Update README.rst by @nickvazz in #23
• Fix python version in macOS build by @stefsmeets in #26
• Add 3.9 and gh action for macos by @akaszynski in #27
• Fix link of image files by @tkoyama010 in #28
• remove direct vtk usage by @akaszynski in #29
• upgrade to tetgen1.6 by @akaszynski in #31

New Contributors

• @nickvazz made their first contribution in #23
• @stefsmeets made their first contribution in #26
• @tkoyama010 made their first contribution in #28

Full Changelog: 0.5.1...v0.6.0