2.0.0 - DBAL 4 support

This replaces support of DBAL 3 with DBAL 4.

There's a small BC break here as well, due to DBAL 4's internals. Please see UPGRADING.md for additional information.

What's Changed

• Support DBAL 4; drop DBAL 3 by @Firehed in #11
• Remove dependency on doctrine/deprecations by @Firehed in #12

Full Changelog: 1.0.1...2.0.0

1.0.1 - Internal improvements to prepare for DBAL4

What's Changed

• Replace magic numbers in tests with DBAL constants by @Firehed in #8
• Get tests off of deprecated methods by @Firehed in #9
• Add native return types where possible by @Firehed in #10

Full Changelog: 1.0.0...1.0.1

Initial Release

1.0.0

Add composer keywords for discoverability (#6)