v0.5.0

What's Changed

• add xtask by @MusicalNinjaDad in #66
• Add hacking md by @MusicalNinjaDad in #73
• Clarify complexity criticism in hacking.md by @MusicalNinjaDad in #75
• found the blog posts on Box<!> etc by @MusicalNinjaDad in #76
• Example of how TryFrom could be implemented to be more flexible by @MusicalNinjaDad in #78
• Update dev environment & CI by @MusicalNinjaDad in #105
• migrate from xtask to cargo ninja by @MusicalNinjaDad in #115
• Transpose trait in examples by @MusicalNinjaDad in #114
• trait Transform by @MusicalNinjaDad in #116
• add README to each crate by @MusicalNinjaDad in #117

Full Changelog: v0.4.2...v0.5.0