v1.4.0

What's Changed

• Update Imzn Concepts w/"Free Text Comment" + Mappings by @gracepotma in #7
• Update Immunization concepts with more options by @gracepotma in #8
• Update immunizations metadata by @VeronicaMuthee in #9

New Contributors

• @gracepotma made their first contribution in #7
• @VeronicaMuthee made their first contribution in #9

Full Changelog: 1.2.0...1.4.0