* Two significant bug fixes for the validator (thanks Mark Burnett from Babylon Health for finding them):
* The validator was not enforcing type restrictions when some profiles restricted elements with choices to a single type
* The validator was only creating warnings not errors for required bindings on some Quantities
* + Fix handling of infrastructural terminology failings on Codings - treat them as warnings not errors
* Add extra validation for value sets (check concept codes are valid)
* Add extra code to check derivation consisteny for SearchParameter resources
* More Improvements to Questionnaire Rendering
***NO_CI***
* fix for new test case about profiles restricting types
* update release notes
* fix NPEs doing ProfileComparison
* fix non-translated messages in InstanceValidator
* Fix validation issues
* update to 1.1.22 tests
* fix for new test case about profiles restricting types
* update release notes
* fix NPEs doing ProfileComparison
* fix non-translated messages in InstanceValidator
* fix bug in Definition mode - support ofType()
* fix bug reading old packages
* fix for invalid OperationOutome if nothing is wrong
* more fix for when no errors found
* Adding more verbose output for bad file path validator input
* Moving error output to i18n tooling. Adding tests to tooling, and addressing some issues with i18n implementation.
* Apparently the intended behavior is to not tell the user if they are localizing a string that doesn't exist.
* Override extension methods in BackboneElement to look in modifierExtensions as well as extensions
* First draft of Profile Comparison tools (org.hl7.fhir.r5.comparison)
* Improved error messages when snapshot generation fails when slicing something that doesn't repeat
* Improvements for CDA round-tripping (XML esacping issues, xsi:type related issues, namespacing issues)
* Fix bug rendering DiagnosticReports with multiple categories
* adjust check on Attachment to only be an warning (when no meaningful content exists)
* add security check mode to Validator
***NO_CI***