Release Notes Abra

Version 3.12.9
New Feature
* [ABRA-664] - Visualisation: render html content from textBlockItemType
* [ABRA-700] - Instance Validation: distinguish complete, inconsistent and multi-language duplicates for non-numeric facts

Improvement
* [ABRA-703] - Ensure that only one RecordManager object exists per TaxonomyBuilderFactory

Bug
* [ABRA-701] - iXBRL: xml:lang attribute is not preserved on extracted xBRL instance