[PATCH 0/10] MR7449: oleaut32: Fix methods relating typeinfo substructures around names, guids and friends

[Edward OC (＠funfunctor)]

- Clean up method implementations to be consistent and pass tests.
- Factor out common code.
- Validate arguments.
- Correctly match szNameBuf user passed strings as case-insensitive as per documentation.
- Match method parameter identifiers to be as per documentation.
- Rewrite where required to use common helpers.

Signed-off-by: Edward O'Callaghan