Release 1.3.1

What's Changed

• Chore: Ignore rector.72.php in export by @RikudouSage in #60
• Chore: Remove leftover things from previous versions by @RikudouSage in #61
• Docs: Add middleware documentation by @RikudouSage in #62
• Add tests for invalid version value and invalid operator, don't throw… by @RikudouSage in #63
• Fix syntax errors for php 7.2 by @RikudouSage in #64
• Increase version before release by @RikudouSage in #65

Full Changelog: v1.3.081...v1.3.181