scripts: group.py: Add extra optional arg to specify uid
scripts: group.py: Add extra optional arg to specify uid

pjotrp/genenetwork2,genenetwork/genenetwork2,pjotrp/genenetwork2,pjotrp/genenetwork2,genenetwork/genenetwork2,pjotrp/genenetwork2,pjotrp/genenetwork2,genenetwork/genenetwork2,genenetwork/genenetwork2