available via ftp
0.99.1 0.99.2 0.99.3 0.99.4 0.99.5 0.99.6 0.99.6a 0.99.6b
available via http
0.99.1 0.99.2 0.99.3 0.99.4 0.99.5 0.99.6 0.99.6a 0.99.6b bsd-0.99.6b