faidx: Detect compressed BGZF fasta files and create .gzi index without asking to allow proper functioning of samtools faidx fasta.fa.gz
synced_reader: Improved regions/targets to be faster with large number of sequences; More userfriendly regions_overlap() function
vcf: bcf_update_format now sets the number of samples in VCF record which previously was responsibility of the user; Fix in bcf_itr_querys macro, non-existent bcf_name2id renamed to bcf_hdr_name2id