Merge pull request #88 from Blacksmoke16/lazy-db-url

Determine `database_url` when first accessed versus when required

Merge pull request #86 from z64/master

Fix use of transactions to apply migrations

release v0.14.0

feat: upgrade crystal db to v0.11.0

micrate v0.12.0

Merge pull request #74 from surume/feature/bumpup-crystal-version

Update crystal-lang version

micrate v0.10.0

micrate v0.9.0

micrate v0.8.0

micrate v0.7.0