adding gt support for sequence diversity
adding gt support for sequence diversity

ekg/vcflib,vcflib/vcflib,jewmanchue/vcflib,hyphaltip/vcflib,travc/vcflib,jewmanchue/vcflib,ekg/vcflib,vcflib/vcflib,hyphaltip/vcflib,vcflib/vcflib,zeeev/vcflib,hyphaltip/vcflib,vcflib/vcflib,hyphaltip/vcflib,vcflib/vcflib,jewmanchue/vcflib,vcflib/vcflib,ekg/vcflib,jewmanchue/vcflib,travc/vcflib,tomdcsmith/vcflib,vcflib/vcflib,zeeev/vcflib,tomdcsmith/vcflib,zeeev/vcflib,travc/vcflib,ekg/vcflib,vcflib/vcflib,jewmanchue/vcflib,jewmanchue/vcflib,hyphaltip/vcflib,zeeev/vcflib,tomdcsmith/vcflib,zeeev/vcflib,zeeev/vcflib,ekg/vcflib,hyphaltip/vcflib