Added testset1_sgs7.sam to allow testing a few known cases of false positive, false negative, true positive, true negative, and some other ones. See https://ueb.vhir.org/PendentsEVA and https://ueb.vhir.org/sheet3
Added testset1_sgs7.sam to allow testing a few known cases of false positive, false negative, true positive, true negative, and some other ones. See https://ueb.vhir.org/PendentsEVA and https://ueb.vhir.org/sheet3

Former-commit-id: 9acc7f7f90c48b4e23a863573363c8558cda1f36
xavidp/bpeva