Ensure success value returned from setRegion on tabix file when called with separate contig/start/end
Ensure success value returned from setRegion on tabix file when called with separate contig/start/end

vcflib/vcflib,wzugang/vcflib,harshinamdar/vcflib,vcflib/vcflib,ashishjain1988/vcflib,ekg/vcflib,ashishjain1988/vcflib,zhmz90/vcflib,wzugang/vcflib,tomdcsmith/vcflib,glennhickey/vcflib,zhmz90/vcflib,vcflib/vcflib,travc/vcflib,zhmz90/vcflib,vcflib/vcflib,glennhickey/vcflib,glennhickey/vcflib,harshinamdar/vcflib,ekg/vcflib,ashishjain1988/vcflib,ashishjain1988/vcflib,ashishjain1988/vcflib,harshinamdar/vcflib,wzugang/vcflib,vcflib/vcflib,glennhickey/vcflib,ekg/vcflib,glennhickey/vcflib,zhmz90/vcflib,tomdcsmith/vcflib,harshinamdar/vcflib,zhmz90/vcflib,zhmz90/vcflib,glennhickey/vcflib,ekg/vcflib,travc/vcflib,harshinamdar/vcflib,ashishjain1988/vcflib,vcflib/vcflib,wzugang/vcflib,harshinamdar/vcflib,vcflib/vcflib,vcflib/vcflib,tomdcsmith/vcflib,travc/vcflib,wzugang/vcflib,ekg/vcflib,wzugang/vcflib