Fix treatment of 'y'.  Allow words like 'and' to be excluded.
The option actually completely disables picking those words.
Attempt to retain quote marks.
Handle the wonderful rules about 'Q' in English.
Handle quotes and clause-divisions better.
supercapitalize()!
Better cleaning; penalize instead of rejecting 2-letter words.
Re-verbotenize two letter words, plus the magic of em-dashes.
Add --disable-swapping and --dictionary-words-only options.