v0.10.1

Bug fixes:

• Set scalars to 0 if absolute value is below 1e-8, units being Å (#121, @csadorf)

Development fixes:

• Pin OPTIMADE Validator version to v0.12.0 (#122, @csadorf)
• Make local running server available in clients in debug mode (#125)
• Publish to PyPI via GitHub releases (#127)