CTS2-like module for FHIR in ruby
psql -c 'create database terrminology;' -U travis
sequel -m db/migrations postgres:///terrminology
rspec spec/
term = Terminology.api(sequel_db)
term.create_valueset(fhir_json)
#TODO: more documentation
term.concenpts('identifier_of_valuest', code: 'active') #=> concept