## Validator Changes
* Add support for valueset-version
* Add support for terminology extraction
* Add support for expansion parameters when validating
* fix NPE in validator around Extension context
* Handle secondary terminology server errors properly
* Fix questionnaire response status checking
* Add versions to message about multiple matching profiles
* hide API-Key from appearing on the tx log
* Add supplements for used systems as well as for value set systems when validating on server
* fix missing port from server when doing tx-registry redirections
* Fix problem not finding current version of extensions pack for non-R5 versions
* Fix validation of displays when language is unknown
* fix issue missing idrefs validating IPS documents
* Update FHIRPath validation to handle rootResource type properly
* Fix obscure error on contentReference in profiles in FHIRPath engine
* Fix version conversion issue for validating derived questionnaires
## Other code changes
* New release of pubpack
* Fix r4b liquid tests
* Refactor Liquid engine and add support for forLoop and capture
* Add support for liquid on csv files
* Add support for using Liquid on plain JSON directly and add support for markdownify filter
* Many improvements to Profile Code Generation
* Start working on using new IG infrastructure for Tx tests
* Questionnaire rendering improvements
* Merge Functionality for CapabilityStatement.import
* Do not use metadata from data type profiles on elements when generating snapshots
* Fix presentation issues and union and intersection links in previous version comparison
* Fix filter comparison logic when comparing valuesets
* Fix version issues in snapshot generation tests
* Eliminate id from snapshot generation test case comparison
* Change rules around stripping extensions when generating snapshots
* fix bug using wrong reference on uri in liquid renderer
* add translations for expansion errors
* fix issue with comparison template missing
* Apply null pointer check to all switch(Enumeration) statements in version conversion code
* Remove mysql dependency
* Fix bug in DecimalType on null Bigdecimal ()] all versions)
* Fix bad URL in inter-version extension conversion of ValueSet for ValueSet property
***NO_CI***
* Fix weird double if
* Add test for null doc status and preserving extension
* Add fix for null enum DocumentReference30_40
* Use java null instead of Enumeration.NULL for Enumeration src.setValue
* Apply null pointer check to all switch(Enumeration) statements
