* Fix high DPI rendering on MacOS
* Remove deprecated texture2D function from shader
* Merge pull request #17 from binji/shader-version
* Prepend shader version; avoid deprecated features
* Merge pull request #15 from aconbere/anders/fix_compile_errors_on_osx
* use PRIu64 as advised
* Fixes compile errors for implicit instantiation on osx
* Fix bugs I introduced in the last commit
* Clean up demo.js some more
* Use ES6 classes in demo.js
* Use idb library in demo.js
* Update wasm module after bg priority fix
* Fix bg priority bug
* Allow the UI to capture the keyboard
* Add delete button to JS demo
