v0.4.0

What's Changed

• Add distinct on to query builder by @piercefreeman in #36
• Lock support via for update by @piercefreeman in #37
• Add db-level tests for updates by @piercefreeman in #38
• Add field-based docstrings by @piercefreeman in #39
• Add func-based date modifiers by @piercefreeman in #40
• Switch query builder to internal args by @piercefreeman in #41

Full Changelog: v0.3.2...v0.4.0