1.8.15

• General: Initial implementation of RelatedIgs
• Loader: Remove spurious logging code in alternate versions
• Loader: Look for resource name in name element (if primitive)
• Snapshot Generator: Clean up confusing message in slice processing
• Validator: Fix bug where reslicing not being processed properly when parent profile already sliced the element
• Validator: Prohibit ., $ and | in SearchParameter.code.
• Renderer: Add _datatype slice when converting extensions to R4
• Renderer: Fix consistency problem in name presentation generating slices
• Renderer: Fix profiles & tags being omitted rendering resources
• Renderer: fix NPE when value set has no status
• QA: Add qa-ipreview.html
• QA: fix bug where html problem files are not named