Package DSG\cli

Functions summary
changebyhand	Add pitches to or remove pitches from chord by hand
choosestartingposition	Receive a string representing a chord from the user, return array with analysis
decidewhethertoprint	Receive user input to decide if results are to be saved to file
introduction	Five screens of introductory text
makechoice	Utility function to keep repeating a prompt string until a valid choice has been made by the user
work	Program flow and user interaction related to working with chords