v0.4.0

What's Changed

• [db] Add convenience methods to DbValue #655 by @michaelvlach in #656
• [ci] Add derive crate #658 by @michaelvlach in #659
• [ci] Update llvm-cov #660 by @michaelvlach in #661
• [db] Add user types support #657 by @michaelvlach in #662
• [ci] Fix release dry run #665 by @michaelvlach in #666
• [query] User user types in queries #663 by @michaelvlach in #664
• [query] Add support for db id in user types #667 by @michaelvlach in #669
• [db] Fix inserting value with the same key #671 by @michaelvlach in #672
• [query] Use user values with id in queries #670 by @michaelvlach in #673
• [db] Add hot backup #674 by @michaelvlach in #675
• [docs] Add user type docs #668 by @michaelvlach in #676
• [ci] Release 0.4.0 #677 by @michaelvlach in #678
• [ci] Fix release 0.4.0 #679 by @michaelvlach in #680

Full Changelog: v0.3.1...v0.4.0