marci [Thu, 02 Dec 2004 17:36:07 +0000] rev 1027
bug fix. previously, it did not work with graphs having non-reference node-maps
marci [Wed, 01 Dec 2004 14:08:37 +0000] rev 1026
More rational structure of classes in MergeGraphWrappers
marci [Mon, 29 Nov 2004 17:55:46 +0000] rev 1025
MergeGraphWrapper bug fixes