K 10 svn:author V 5 mdodd K 8 svn:date V 27 2005-04-13T05:50:56.000000Z K 7 svn:log V 251 Add support for more than two datasets. Currently limited to 7 though the limit is only the number of meaningful graph symbols available. Statistical comparison is performed between the first dataset and any further datasets. No objection by: phk END