RawType accepts attributes (e.g. id for containers, oid, type for references).
RawType accepts xsiType as a replacement for xsi:Type.
Tests pass up to (excluding) task-quartz-impl.
Test showing bug in XPathHolder.
Attempt to clean-up task test code.
Attempt to fix delta conversion when PrismProperty<Boolean> is to be serialized (toAny->toXNode)