Swift-ify.
Refactoring utility functions.
Naming now optional
Simplify initializers.
Start on level selector screen, double-tap double-touch to go back.
load level from text file
Add better level selector
Level selector finds all .level files, lists them, displays summary.
Level template, more parsing work in progress.
Process input widges
Basic transformation works
Basic gameover criteria.
Add triple tap gesture to end level early.
First basic level
Transformer does not have color parameter.
Show preview of output in middle of Transformer
Add on/off state to Transformer, touch to Transformer and Input.
Rename compass point to direction.