Remove unused deps.
Improve comment in the worker code.
Add comments to disposable elaborating why things are done the way they are.
Fix indentetation.
Simplify pipe function.
Improve comment in frame/utils.
Remove unused isFrame function.
Fix comment for panel/events module.
Improve comments in the contract module.
Remove unused dispatch function.
Remove obsolete setup function.
Improve readability of high level panel module.
Fix typo in function name.
Simplify style function API.
Rename ambiguous frame variables.
Don't use a browser.
Use helper function to access content document.
Remove attributes that I don't quite remember why I've added.
Add comment explaining why panel should be attached to document during creation.
Use longer import names.