The text caret hiding was screwing up on iOS, so get rid of it.
Also, tweak the puzzle square hover size.
Fixing the indices in the comment of sample_puzzle
Add a setValue method to Square
cleaning up generateSquares
Fixing highlight css mistake
Adding error styling
Fixing SquareRegion spec
fixing some specs mostly where I forgot some parens.

Daaamn yoooou coffeescriiiiipt
Adding persistence and validation (!!!)