1.0.1 Updated creation of graphs, and added warnings when creating zero and single
			node graphs.
0.99.0 First review in Bioconductor
0.7.8 Updated the vignette. Removed long lines, added links to figures, fixed some errors
0.7.4 changed category in ccCompare to categoryName for GENccEnrichResults-class
0.7.3 First commit