~alcinnz/CatTrap

ref: fdea2a59d330c866ce42526c4644952b038d073d CatTrap/Graphics d---------
474bbc4e — Adrian Cochrane 1 year, 9 months ago 
Draft shunting yard interpreter for calc().
09970dfc — Adrian Cochrane 1 year, 9 months ago 
Draft public API for CatTrap.