Enforce harfbuzz scaling to be of Double type.

Actually query for desired font, remove needless Maybe.

Improve font styling & it's configurability, expose font-pattern in output.

Commit missing Inline implementation.

Ensure units are converted correctly between CatTrap & Balkon.

Integrate inline layout!

Finish implementing preprocessing/CSS parsing & integrating everything with test script.

Draft grid preprocessor which sucessfully compiles.

Parse CSS4 Grid properties.

Parse CSS Box model CSS properties, dispatch others to FontConfig & injected dependency.

Unittest & fix abstract layout.

Unittest basic grid sizing.

Build testable gridlayout function, fix syntax errors.

Finish drafting CSS4 Grid support!

Draft grid width-sizing code.

Test & fix block layout.

Draft flow layout computation.

calc() interpretor & multidirectional text to be added later.

Draft new CatTrap API which hopefully is easier to implement.

Unit test calc() implementation!

Finish drafting shunting yard interpreter for calc().