Start implementation of CoffeeScript version.
Implement basic control in CoffeeScript.
Add a few comments
Start implementing selection-handling
Differentiate between index / choiceIndex
Fix transformation code (adding stores to the mix)
Implement hiragana input.
Remove unnecessary debug outputs.
Fix wrong offset()
Refactor name "Transformation" to "Writing."
Make writing-selection more stable.
Slightly improve algorithm. Needs rewrite, though
Implement selection window.
Make sure that trailing "n" is automatically converted when we change into selection mode.