[FIXES]
- Updates for VMS. See RT #24985.
- No longer fails on install if HARNESS_VERBOSE is set. See RT
#24699.
- _default_inc was not returning populating the cache properly.
See RT #22064.
[ENHANCEMENTS]
- Straps is now smarter as to whether it needs to quote $^X.
- Now tracks seen files, so that circular symlinks don't mess
things up.