v0.4.2

What's Changed

• version bump after hotfix by @Scirelgar in #27
• Move test requirements to pyproject section by @ccoulombe in #28
• Specify sub-modules as well. by @ccoulombe in #29
• Tidy and cleanup by @ccoulombe in #30
• version bump and tag after hotfix by @Scirelgar in #31

Full Changelog: v0.4.1...v0.4.2