Fix for mixed-child elements on stripping out extraneous whitespace.

Strip out extraneous whitespace.

Repair logic for determining whether elements are inline.

Add support for display: none;

Don't pass empty input to Balkon, is that what's crashing?

Finish refactor allowing for runs of inlines to be captured & passed to Balkon.

Correct `display: initial` to being `inline` rather than `block`.

Enforce harfbuzz scaling to be of Double type.

Expose fontsize in glyphsperfont map.

Actually query for desired font, remove needless Maybe.

Expose utility to inform atlas construction.

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.