Alpar Juttner <alpar@cs.elte.hu> [Mon, 07 Jul 2014 15:40:12 +0200] rev 1318
Merge bugfix #474
Peter Kovacs <kpeter@inf.elte.hu> [Mon, 19 Aug 2013 22:35:54 +0200] rev 1317
Fix division by zero error in case of empty graph (#474)
Alpar Juttner <alpar@cs.elte.hu> [Mon, 07 Jul 2014 11:57:45 +0200] rev 1316
Merge bugfixes #480, #481, #482 and #487 to branch 1.3