Peter Kovacs <kpeter@inf.elte.hu> [Sat, 09 May 2009 16:39:59 +0200] rev 657
Change Graph::Edge -> Graph::Arc inheritance to conversion (#283)
Balazs Dezso <deba@inf.elte.hu> [Thu, 07 May 2009 10:46:49 +0200] rev 656
Change Undirector::Edge -> Undirector::Arc inheritance to conversion (#283)
Alpar Juttner <alpar@cs.elte.hu> [Fri, 08 May 2009 16:21:06 +0100] rev 655
Fix the faulty merge of unify-sources.sh in [586b65073025]