Q2 : added mention of Chellapilla & Fogel's chess-playing neural network
Q3 : updated URL for info on GAs in biochemistry
Q12: updated info on cenferences
Q20: GAUCSD - updated ftp and web addresses.
Q20: Wolf - code can no longer be obtained from the FTP site
Q20: Computer Ants - updated URL
Q22: updated URL for operational research test data