Log Message:
Update 1.422 to 1.440
---------------------
1.44 Tue Jun  3 20:40:13 CEST 2014
        - port to 5.20 (analyzed by Dave Mitchell).

1.43  Fri May 16 09:43:01 CEST 2014
        - port to 5.18.
        - hopefully better treat anon subs that have been un-anonized
          without adjusting the pad by Sub::Name (I forgot who sent
          the testcase).
        - fix ref2ptr/ptr2ref documentation.