Boston Professional v6.0 Release Notes

Boston Professional v6.0 is a patch release to Boston Professional v5.9
Release Date: 24th January 2022

A summary of the main commits follows:
- NORMA Object-Role Modeling files are now able to be imported by Boston. See video: https://www.youtube.com/watch?v=0coVrXuqsKc
- Improvements to reverse engineering TypeDB database schema into Boston;
- Implementation of Role Value Constraints, Role Value Comparison Constraints and Value Ranges on Role Constraints;
- Implemented Reference Modes for Objectified Fact Types using Objectifying Entity Type;
- Minor fix ERD Attributes - Move up/down now more consistent. Now can't delete unless in Superuser mode;
- Can't create two Pages with the same name (change on edit etc);
- Can't drop a Role onto a FT with Roles joined to nothing;
- Only update VT Instance Concept Instance in database if new Concept Intsance doesn't already exist;
- Removing a FactTypeInstance from a Page will not also remove the associated Derivation Text;
- Various usability improvements;
- Database version now at v1.31; and
- Minor bug fixes.

Known Issues:
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- FactEngine doesn't cater for unary fact types at this stage
- Unary Fact Types may not be translated to a boolean attribute/property in the Entity Relationship and Property Graph views in all cases.