## Validator Changes
* Fix issue loading SPDX value set + Fix missing code for 'not-open-source'
* Allow target to be treated as source when validating FML
* Fix issues validating names and urls for logical models
* Don't duplicate warnings about missing expressions on invariants in R5
## Other code changes
* Handle case where base hasn't got a snapshot generating snapshots
***NO_CI***
## Validator Changes
* Fix check for correct type name use in logical models (for CDA)
* Fix bug loading packages (introduced working on minimal loading)
* Fir NPE processing R3 Structure Definitions
* exempt ele-1 from constraint consistency checking
* Add -watch-scan-delay and -watch-settle-time
* fix missing error validating structure maps
* Fix bug with erroneous warning in snapshot generation about profile not being found
* Update SPDX code system to latest version
* Output proper filename in validation log
## Other code changes
* Refactor version utility code
* Fix help placeholders
* Better error when handling loading resources
* fix duplicate element generation in CDA.AD type snapshot generation
* Fix message about rendering problem. Actual solution... not sure.
* Minimal Memory model changes for Npm for Android
***NO_CI***
`ValidationUtils.SourceFile` does not override Java's default implementation of `toString()`, which is why `validate()' currently prints "Validate org.hl7.fhir.validation.ValidatorUtils$SourceFile@5382184b" or something like that.
## Validator Changes
Post DevDays Release - many significant changes!
* Add ```-watch-mode``` parameter (See [doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-Watchmode))
* Start checking constraint expressions defined in profiles and logical models, and update FHIRPath for logical models
* Start checking ElementDefinition.mustHaveValue and ElementDefinition.valueAlternatives
* Start validating derived questionnaires
* Tighten up checking on FHIRPath - enforce use of ```'```, and don't accept ```"``` for string delimiters
* Add ```-allow-double-quotes-in-fhirpath``` parameter ([doco](https://confluence.hl7.org/display/FHIR/Using+the+FHIR+Validator#UsingtheFHIRValidator-LegacyFHIRPathSetting))
* Fix error when validating profiles that mix canonical() and Reference() types
* Fix extension context checking
* Fix erroneous FHIRPath expression eld-11 when loading
* Fix incomplete support for ```-display-issues-are-warnings``` parameter
* Fix broken NullFlavor binding in R4
* Fix various NPE errors doing value set validation (+ logging tx operations)
* Minor performance improvements to start up time
* Auto-update implied slicing elements when min < slice min
## Other code changes
* Add CodeQL to the build process
* Various NPE fixes
* Add getValueAsString(TemporalPrecisionEnum) method to date/time types
* Fix rendering for unresolvable ValueSets
* Remove r4b eclipse project files
* Upgrade multiple dependency libraries (per CodeQL)
* Only record sorting errors when generating snapshots when debug mode is on
* Tighten up SSL certificate checking
* Partial refactor of CLI parameter handling
* Fix path regex (per CodeQL)
* Remove erroneous logging from conversion tests
* Rendering improvements for various profile related extensions
* More work on TxTests operation (lenient wrt extensions)
* Fix handling of summary extension (delete duplicate tools summary extension, and don't inherit it)
* Reprocess URLs in Markdown extensions on both StructureDefinition and ElementDefinition
* Improve URL detection in markdown when reprocessing URLs
***NO_CI***
Grahame Grieve
markiantorno
Grahame Grieve
dotasek
Stefan Otto