cache implemented for ld filtering
reader and writer support missing alleles
filter_by_ld binary renamed
low allele evidence filter implemented
The asumption of HW for low evidence allele filter is now explicit
added allele_freqs property to snv
added is polimorphic method to snv
filter_low_evidence_allele binary implemented
added filter_vcf_by_monomorphic
Merge branch 'master' of ssh://gitolite@pb:2203/vcf_crumbs.git
added filter_vcf_by_monomorphic