PRS (#180)
PRS (#180)

* src/VcfCalculatePRS/main.cpp: added support for wt-calls and not normalized genotypes

* src/VcfCalculatePRS/main.cpp: Bugfix: Do not annotate '.' for the 100th percentile

* src/VcfCalculatePRS/main.cpp: simplified allele count determination
imgag/ngs-bits,imgag/ngs-bits,imgag/ngs-bits,imgag/ngs-bits,imgag/ngs-bits,imgag/ngs-bits