v0.3.2

What's Changed

• Add missing type hints for bundle_css by @mafr in #13
• Add error handling to bundle_css. by @mafr in #14
• Add some unit tests by @mafr in #15
• #18: Switch to ABI3-based wheels by @pydsigner in #19

Full Changelog: v0.3.1...v0.3.2