graph-gexf - manipulate graph file in GEXF format

	Commit message (Expand)	Author	Files	Lines
2011-06-13	add tests and remove warn	franck cuny	1	-2/+3
2011-05-21	update tests	franck cuny	2	-3/+7
2011-05-21	add and update tests	franck cuny	4	-10/+48
2010-11-05	tidy	franck cuny	2	-4/+4
2010-11-05	add position role	franck cuny	1	-0/+9
2010-07-16	reflect API change on tests	franck cuny	3	-11/+24
2010-07-16	add attributes to edge	franck cuny	1	-1/+1