Log Message:
Update to 0.09:

0.09  Thu Jun 30 15:02:37 BST 2005
    - Fix a bug reported by Damian: want doesn't work (crashes) if
      it's called from within the guard of a loop. See the comment
      above upcontext_plus in Want.xs.
    - Runs under the debugger!
    - Give an error message (rather than segfaulting) if called from
      a tie handler.