v0.5.0
feat: introduce docker-compose based testing for running locally against many database combinations
Rename sqlx(rename) attribute to sqlx(type_name)
feat(postgres): expose PgTypeKind
feat(macros): implement `query_scalar!()` and variants
Add a test for nesting `.map`
Add `constraint` method to `DatabaseError` trait
refactor(macros): remove ResultExt and macro_result!()
Fixing BigDecimal conversion for PostgreSQL