/// <summary>
/// Move to the next day in the calendar
/// </summary>
public List <Tuple <Note, string> > addDay()
{
calendar.addDay();
List <Tuple <Note, string> > notesAndDate = new List <Tuple <Note, string> >();
List <Note> notesOnThisDay = findNotesToList();
foreach (Note n in notesOnThisDay)
{
notesAndDate.Add(new Tuple <Note, string>(n, this.calendar.ToString()));
}
return(notesAndDate);
}