A module that performs semantic similarity in PXF/BFF data structures and beyond (JSON|YAML)

Changes for 0.06

• Renamed --primary-key to --primary-key-name and --set-primary-key to --generate-primary-key in csv2pheno_ranker for clarity
• Updated docs
• Changed from perl:5.36-bullseye to perl:stable-bullseye in Dockerfile
• Excluded `NA`, `NaN`, `undef`, `{}`, and `[]` from coverage_stats counts
• Freezed a few modules in requirements.txt