README: test and text for vcfaltcount
README: test and text for vcfaltcount

ekg/vcflib,vcflib/vcflib,vcflib/vcflib,vcflib/vcflib,vcflib/vcflib,ekg/vcflib,vcflib/vcflib,vcflib/vcflib,ekg/vcflib,vcflib/vcflib,vcflib/vcflib,ekg/vcflib,ekg/vcflib