v0.4.0

Breaking changes

• Fix factorial implementation by @marcantoinem in #17
  • This now requires Shl to be implemented by the primitive types (which we don't expect is hugely problematic).

What's Changed

• Single source the project description in the README by @pezcore in #13
• Switch to edition 2021 by @thomwiggers in #12
• Update criterion requirement from 0.4 to 0.5 by @dependabot in #15
• Bump to version 0.4.0 by @thomwiggers in #18

New Contributors

• @pezcore made their first contribution in #13

Full Changelog: v0.3.0...v0.4.0