Throw better error in VCFLine.nextField if separator is not a tab (#9494)
Throw better error in VCFLine.nextField if separator is not a tab (#9494)


cseed/hail,cseed/hail,danking/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,hail-is/hail,hail-is/hail,cseed/hail,danking/hail,danking/hail,cseed/hail,danking/hail,cseed/hail,hail-is/hail,danking/hail,cseed/hail,hail-is/hail,danking/hail,danking/hail,hail-is/hail,hail-is/hail