v0.14.0

Big Update

Highlights include:

• drop of Python 2
• all tests rewritten to pytest
• test coverage at ~95%
• new "versions" function on all default entities
• refinement of core functions

What's Changed

• Major update to test suite by @fabiangeisler in #15
• build(deps): bump actions/upload-pages-artifact from 1 to 2 by @dependabot in #16

Full Changelog: v0.13.0...v0.14.0