Tidyup: full-size computation from gridcell size computations.
Refactor grid sizes to be dynamically computed.
Merge branch 'main' of git.argonaut-constellation.org:~alcinnz/CatTrap into main
Draft grid preprocessor which sucessfully compiles.
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.
Draft new CatTrap API which hopefully is easier to implement.
Unit test calc() implementation!
Draft public API for CatTrap.