Tidyup: full-size computation from gridcell size computations.

Refactor abstract grids to seperate fields of children array.

Refactor grid sizes to be dynamically computed.

Integrate paragraph pagination via Balkon.

Parse text-pagination properties.

Simplify natwidth generic logic.

Attempt to simplify generic minwidth logic.

Export mapAuto utility.

Merge branch 'main' of git.argonaut-constellation.org:~alcinnz/CatTrap into main

Draft utility to aid resolving conflicting dataflow.

Merge branch 'main' of git.argonaut-constellation.org:~alcinnz/CatTrap

Define public APIs.

Restrict main CSS APIs.

Restrict exports for inline & paragraph styling libraries.

Export extended length parser.

Export numeric conversion utility.

Constrain exports from Graphics.Layout.CSS.Length

Rename Graphics.Layout.CSS.Internal to Length

Fix imports in Graphics.Layout.CSS.Font

Fix imports for abstracted CSS API.