v0.13.0

What's Changed

• GH-46: Dependency system v3 by @pydsigner in #47
• GH-32: Move Anchovy CSS parser to its own package by @pydsigner in #48
• GH-50: Use a less volatile API for mistletoe markdown support by @pydsigner in #51
• GH-30: Custody-based intelligent rebuilds by @pydsigner in #49, #52, #53, #54
• GH-26: Update documentation by @pydsigner in #55

Full Changelog: v0.12.0...v0.13.0