modified:   README.md
	deleted:    combine
	renamed:    substitute -> exchange
	renamed:    reverse -> invert
	renamed:    number -> numerate
	renamed:    printout -> produce
	renamed:    random -> randomize
	renamed:    count -> reckon
	renamed:    uniquify -> sieve
	renamed:    fields -> take
	renamed:    fork -> tea
	renamed:    sortout -> tidy