Fixed multi-line display bug.
(Cosmetic.)
Add feature list document.
Added more intelligent "recently missed words," and re-enabled "indefinite
practice."
Added cards.
Updated instructions to include multiple-choice.
Added display for what stage of studying you're in.
Show "familiar" card after missing one.
Added deck (and card) colors.
Print decks in the right order.
Don't call student.js until preview is over!
Added deck stats view.
(Add words.)