NIST FHIR Toolkit 4.2.0

What's Changed

• TestScript is now capable of calling HL7 FHIR(r) Implementation Guide (IG) package validation (can use internal IG package or through external channel)
• User supplied test fixture, a utility test collection test, allows any valid FHIR resource input to be posted to a channel
• Getter tool fixes
• IHE MHD profile v4.2.0 support in the form of inspecting messages exchanged through channel events and running the IG validator on the request and response message
• Made configuration more general purpose suitable to adapt writing FTK TestScripts for other implementation guides
• Channel selection fixes
• Bump eventsource from 1.1.0 to 1.1.1 in /asbestos-view by @dependabot in #204
• Bump json5, @vue/cli-plugin-babel and @vue/cli-service in /asbestos-view by @dependabot in #220
• Bump minimist from 1.2.5 to 1.2.6 in /asbestos-view by @dependabot in #202
• Bump shell-quote from 1.7.2 to 1.7.3 in /asbestos-view by @dependabot in #206

Full Changelog: v4.1.2...v4.2.0