0.1.7 Removal of SimTK namespace support

What's Changed

• Drop Python 3.7 in tests and pin Pint to 0.19.0+ by @mattwthompson in #31
• Add documentation by @Yoshanuikabundi in #28
• Have to_openmm convert to base units if conversion would otherwise fail by @Yoshanuikabundi in #32
• Add Quantity.to_openmm by @mattwthompson in #34
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #36
• Don't allow OpenMM conversions with None by @mattwthompson in #39
• Remove simtk namespace support by @mattwthompson in #38
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #40

New Contributors

• @Yoshanuikabundi made their first contribution in #28

Full Changelog: 0.1.6...0.1.7