~alcinnz/CatTrap

ref: 8308c7a926605d5affdab24fa7bd3676ccdddaa4 CatTrap/Graphics/Layout d---------
474bbc4e — Adrian Cochrane 1 year, 7 months ago 
Draft shunting yard interpreter for calc().
09970dfc — Adrian Cochrane 1 year, 7 months ago 
Draft public API for CatTrap.