- decide on a license
- push to github

- finalize "library" notion
- text objects
- UI refactoring?
- put it into a package

- tilemap
- layers

DONE:
- auto image reloading
- panning
- zoom to 100% (magnifying glass icon?)
- show 0,0, maybe some other griddy options
- fix scrollwheel sensitivity
- create a readme
- quit to menu
- fixed-sized factories
- human-readable JSON output