### Name: addGeneGrps
### Title: Function to load gene groups into maigesPreRaw object
### Aliases: addGeneGrps
### Keywords: methods

### ** Examples

## Don't run because you don't have the gene sets in a readable folder.
## Not run: 
##D gastro = addGeneGrps(gastro, folder="geneGrps", ext="txt")
## End(Not run)


