Don't make self loops when attaching all heads or tails to a new node, and don't let self loops into the GSSW code
Don't make self loops when attaching all heads or tails to a new node, and don't let self loops into the GSSW code

abeconnelly/vg,ekg/vg,ekg/vg,dnanexus-rnd/vg,ekg/vg,dnanexus-rnd/vg,abeconnelly/vg