discription

/**
 * Gives out a list of the days based on the indexSet
 * @author BM
 *
 * @param indexSet The indexSet that is being sent in to get the days (Week starts on Sunday which is index 1)
 * @param numberOfLetters The format as to the desired outputs

 0 - List of days in numbers

 1 - List of days in first (maybe second) letter

 2 - List of days, two letter outputs

 3 - List of days, three letter outputs

 4 - List of days, full day names

 * @return A string of the days, seperated by a comma
 */
+ (NSString*)listDaysFromIndexSet:(NSIndexSet*)indexSet
                     outputFormat:(int)numberOfLetters;