not quite Beta

Having said that I was going to make 0.50 the first Beta release,
I've now changed my mind, because a small number of minor, but not
unimportant, niggles have arisen. I will try to get 0.51 out by the end
of the week. It will again just be a fixes release, with no new
features.

--
Philip Hazel                   University Computing Service,
ph10@???             New Museums Site, Cambridge CB2 3QG,
P.Hazel@???          England.  Phone: +44 1223 334714