Thu Feb 8 15:20:02 PST 2007 Duncan Coutts <duncan.coutts at worc.ox.ac.uk>
* Remove several more unused modules
Sets and Marks were not being used.
The GetOpt from the standard libs is now being used.
R ./base/general/GetOpt.hs
R ./base/general/Sets.hs
R ./base/graphs/
R ./base/graphs/Marks.hs
R ./base/sysdep/