clarify inline documentation
clarify inline documentation

vcflib/vcflib,glennhickey/vcflib,ashishjain1988/vcflib,ekg/vcflib,ekg/vcflib,vcflib/vcflib,alimanfoo/vcflib,jewmanchue/vcflib,harshinamdar/vcflib,ekg/vcflib,travc/vcflib,wzugang/vcflib,andersje/vcflib,hyphaltip/vcflib,alimanfoo/vcflib,andersje/vcflib,zeeev/vcflib,vcflib/vcflib,zeeev/vcflib,wzugang/vcflib,glennhickey/vcflib,andersje/vcflib,zhmz90/vcflib,jewmanchue/vcflib,glennhickey/vcflib,andersje/vcflib,harshinamdar/vcflib,ekg/vcflib,alimanfoo/vcflib,wzugang/vcflib,wzugang/vcflib,andersje/vcflib,ashishjain1988/vcflib,harshinamdar/vcflib,andersje/vcflib,alimanfoo/vcflib,ashishjain1988/vcflib,travc/vcflib,hyphaltip/vcflib,zhmz90/vcflib,travc/vcflib,zhmz90/vcflib,tomdcsmith/vcflib,glennhickey/vcflib,hyphaltip/vcflib,zhmz90/vcflib,wzugang/vcflib,glennhickey/vcflib,tomdcsmith/vcflib,vcflib/vcflib,zeeev/vcflib,ashishjain1988/vcflib,jewmanchue/vcflib,ashishjain1988/vcflib,harshinamdar/vcflib,hyphaltip/vcflib,zhmz90/vcflib,harshinamdar/vcflib,harshinamdar/vcflib,zeeev/vcflib,alimanfoo/vcflib,hyphaltip/vcflib,vcflib/vcflib,alimanfoo/vcflib,vcflib/vcflib,vcflib/vcflib,tomdcsmith/vcflib,glennhickey/vcflib,hyphaltip/vcflib,zeeev/vcflib,jewmanchue/vcflib,jewmanchue/vcflib,zhmz90/vcflib,ashishjain1988/vcflib,ekg/vcflib,jewmanchue/vcflib,wzugang/vcflib,zeeev/vcflib,vcflib/vcflib