Further refinement of the methodology, tooling to support confidence scoring
and a refactoring of the Trustable Assertions to align with the TSF graph model.
### Changes
* Tooling extended and improved to support:
- New 'dotstop' interface layer to support new graph model design in future
- Restructured Trustable report
* Documentation extended and improved to:
- Design concept description for 'dotstop'
- Refined requirements management process
- Expanded and improved methodology
* Trustable Assertions and Tenets updated to:
- Separate informative (guidance) from normative (Statements) text
- Change TA UIDs to define a new 'series', with a series identifier (A)
and a new numerical sequence for the Items
### Known issues
* Needs guidance on how to:
- Import existing requirements into a TSF graph
- Integrate TSF graphs from other projects
* Missing API reference pages for `trustable-compliance`
* Guidance for TA-18 and TA-20 needs adding
- Support for multi-repository usage of TSF is *experimental only* and
has a number of [known issues](compliance/remote.md#pitfalls)