## Validator Changes
* Fix grammar in validation messages
* Fix NPE in validator for SIDs
* Duplicate designations in a code system is a warning, not an error
* Fix value set validation to validate codes in example code systems
## Other code changes
* Improved multi-language support for IG development (LanguageUtils)
***NO_CI***
## Validator Changes
* CodeSystem property validation improvements
* More valueset validation improvements after real world testing
* Fix processing of NotSelectable filters using in | not-in
* Fix wrong collection type checking FHIRPath subsetOf parameter type
## Other code changes
* Fix rendering of contained resources in Kindling
* Put jurisdiction in NPM package file
* Rendering improvements for xver IG
* More xver support for concept maps
* Fix NPE in ContextUtilities (kindling)
* Add OID Assigner utility
***NO_CI***
## Validator Changes
* Add validation for CodeSystem Properties and ValueSet filters
* More validation for Code Systems: contained code systems, supplement cross checks
* Add more validation around ValueSet.compose.include.system - must be a proper URL, and not a direct reference to a supplement
* HL7: Don't require HL7 publishing status on contained resources
* Don't walk into nested bundles when validating links in bundles
* fix up implementation of notSelectable in value set filters
* Add check for multiple version matches for a versionless canonical reference
## Other code changes
* Fix narrative generator generating duplicate anchors (prefix 'hc')
* exclude .DS_Store from generated zip files
* Add cross-version support extension
* Add ConceptMap utilities in support of cross-version module
***NO_CI***