0.11.1

  - implemented 'undo flag' in receiving mode using 'backspace'
  - switched from lowercase to uppercase display (testing)
  - cleaned up interface displays

 --jogi Sat, Apr 8th 2006

0.11

  - fixed toggle between transmit/receive
  - implemented command-line arg for block length (argv[4])
  - fixed multiple aaaa blocks at program start
  - changed interface commands to match RFC suggestions
  - implemented 'z' to mark end of IP frame
 
 -- aaron, memfis, jogi Fri, Mar 31st 2006

0.10

  - combined flagin and flagout into one program flagio

 -- aaron, jogi Wed, Oct 5th 2005