Implement basic table layout.
Implement more of <table> layout
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 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...)
Correctly reporting surrounding whitespace on inline elements.
Incorporate CSS Box Model into positioning inline ancestors.