Bug fixed 2/2
Fix bug #1 Outputs are correct.

Notes on tranlation from human to rat:
	- hgX => rg1,rg2,rg3: (rg1 and rg2 and rg3)
	- hg1,hg2,hg3 => rg10,NA,rg30: rg10,rg30
	- (hg1 and hg2 and hg3) or (hg1 and hg20 and hg3) such as hg2 and hg20 have no rat homologs at all: (rg1 and rg3)
	- hg had no homolog: empty
add R environment data