Integrate & fix error messages; TODO: Block invalid submits

Integrate normalization tighter into normalization.

Add validation APIs.

Add week & color input support!

Add support for variations upon the date input!

Add timezone selector!

Add a timezone menu!

Implement a year numpad!

Get datepicker control working.

Had to drop support for selecting dates Before-Christ, Hourglass doesn't appear to support those.

Draft date editting UI & accessors.

Add numpad for number & range inputs

Add support for url inputs!

Implement tel input type

Add email input type

Add file-input support, upload missing files.

Add (partial) support image buttons.

Don't display passwords onscreen

Reorganize keyboard templates.

Add preview for text entry, multi-line support.

Implement typing, deletion.