A second list application

• It is expected that the words will contain no upper case letters, and no punctuation.
• These things could be fixed if we wanted to, but let's concentrate on the list object for now.
• The only change to list.h was a change in the item type.
  • typedef string ItemType
• There was no change in list.C
• The main routine, is completely different.
  • cerr, output to the standard error
  • Input from a file