Implement basic table layout.

Implement more of <table> layout

Expose text data from main module.

Improve concurrency, release 0.3, & (not in 0.3) better expose text info

Segfault/performance fixes.

Performance optimizations: Concurrency, & move download/styling/layout to out-of-thread.

Fix for Balkon update.

Fix inline sizing, handle length units for callers.

Integrate text-alignment support!

Fix Balkon's behaviour regarding lack of additional whitespace.

Upgrade underlying Balkon.

Correct coordinate-space involved in rect unionizing.

Handle  property on containing blocks.

Insert Bidi characters into the tree handed to Balkon!

Implement unicode-bidi-property, attempted. Doesn't handle tree.

Commit extracted property-parsing code from Graphics.Layout.CSS

Refactor tree to aid future dev (Inline layout got a major overhaul anyways...)

Fix fontsize handling.

Correctly reporting surrounding whitespace on inline elements.

Incorporate CSS Box Model into positioning inline ancestors.