This will now set subtype to something passed in from the command line, like --subtype h3n2, but if --subtype is absent from the command line, it will look for the subtype field within the document. The function format_subtype canonicalizes subtype names.
This will now set subtype to something passed in from the command line, like
--subtype h3n2, but if--subtypeis absent from the command line, it will look for the subtype field within the document. The functionformat_subtypecanonicalizes subtype names.Fixes #51.