This now uses year ranges, which I'll update annually.
This also renames "R-T Specialty" to "Ryan Specialty Group". The latter is
the parent company of the former. I was originally employed under the
former when LoVullo Associates was purchased, by I now work for the parent
company.
* test/core/suite.xml: Import new fold test package.
* test/core/vector/fold.xml: New test package.
* vector/fold.xml: New package. Adds `_unfold-vector-grouped_'.