v1.3.0

What's Changed

• fix #37 by @iccode17 in #38
• split into multiple files by @iccode17 in #39
• improve speed on large changesets by @iccode17 in #40
• implement pytest plugin by @iccode17 in #41
• add changelog by @iccode17 in #42

Full Changelog: v1.2.3...v1.3.0