Q1.4 : Updated the URL for the Echo project at SantaFe.
Q2 : Changed "chess" to "checkers" for Chellapilla and Fogel's work.
Q4.1 : Updated information about Tierra.
Q10.8: Updated FTP address for list of Masters and PhD theses.
Q13 : Added information about ISGEC, removed information about ISGA. Also added information
about EvoNet.
Q15.1 : Updataed to say that the Artificial Life Digest and the Evolutionary Programming Digest
no longer exist (does anyone know what happened to them?)
Q15.3 : Removed University of Girona Eclair (no longer operational).
Put in a note to say that the Purdue Clife Site has gone.
Q20 : Added new software package, XGenetic