* IDEMPIERE-5567 Support of UUID as Key (FHCA-4195)
* - Implement changes to support Model classes with UUID constructor
* - fix issue with tables with single parent key - like AD_Ref_Table
* - Create test table and JUnit test
* - fixes from Heng Sin
* - Improve performance on new methods in MTable
- Minor refinements in ModelClassGenerator
- Regenerate Test X classes
- Change Create Window from Table to receive the parent link as parameter (because tables can have now no keys at all)
* - Implement suggestions from Heng Sin
* - _UU column as primary key constraint for UUID based tables
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Co-authored-by: hengsin <hengsin@gmail.com>