2003-04-24 Bartosz Lis <bartoszl@ics.p.lodz.pl>
  * Implement examplary networks: Kohonen's, network computing derivatives,
    Jacymirski's, etc. Plus examplary weight engines for fast backpropagation
    training.
  * Conditional logs.
  * Data sources reading images other than XPM.
  * Recurent networks.
  * More testing.  
