Log Message:
(www/p5-libwww) Updated 6.39 to 6.43

6.43      2019-11-26 13:54:43Z
    - Continue trying different Authentication challenge schemes if
      credentials are wrong (Roman Galeev, Julien Fiegehenn)

6.42      2019-11-20 17:40:52Z
    - Add retry handling for a stale nonce with digest authentication (marmotil
      and Frank Maas) (GH#40, GH#313, GH#321)
    - Add the patch method to LWP::UserAgent. (GH#334) (Chase Whitener)
    - Fix docs to match keep_alive => undef behavior, add some trivial tests
      (GH#333) (Ville Skyttä)
    - Documentation grammar fixes (GH#331) (Ville Skyttä)

6.41      2019-10-28 14:42:06Z
    - Allow mirroring to files called '0' (GH#329) (Mark Fowler)

6.40      2019-10-24 12:55:45Z
    - Let Digest authentication act on nonce expiry (GH#313) (Frank Maas)
    - Make file arg for mirror mandatory #304 (GH#326) (Julien Fiegehenn)
    - Doc fix: fields starting with ":" have to be quoted (GH#324) (Slaven
      Rezić)
    - Fix documentation for removing all handlers (GH#319) (leedo)
    - Ensure proper version of Dist::Zilla::Plugin::MakeMaker::Awesome
    - Add TravisCI testing for Perl v5.30
    - Clean up .perltidyrc