deba [Wed, 21 Dec 2005 08:47:38 +0000] rev 1868
Bug fix in bipartite graph
ladanyi [Mon, 19 Dec 2005 16:59:05 +0000] rev 1867
Fix crash when the input file does not contain any nodeset or edgeset.
deba [Mon, 19 Dec 2005 14:58:09 +0000] rev 1866
New file and data structures: sub_graph
Moved to new group with the edge_sets