corrected Bio.Seq.MSA.ucsc17 reference thanks to Russell Neches
corrected Bio.Seq.MSA.ucsc17 reference thanks to Russell Neches

theoryno3/pygr,cjlee112/pygr,theoryno3/pygr,cjlee112/pygr,theoryno3/pygr,ctb/pygr,ctb/pygr,ctb/pygr,GenDataPro/pygr,ctb/pygr,GenDataPro/pygr,ctb/pygr,RitwikGupta/pygr,RitwikGupta/pygr,cjlee112/pygr,GenDataPro/pygr,RitwikGupta/pygr,cjlee112/pygr