Log Message:
Update to 6.38
Update DEPENDS

Upstream changes:
6.38      2019-03-25 18:58:58Z
    - Update Net::HTTP dependency from 6.07 to 6.18 (GH#310) (Olaf Alders)
    - Remove s.c.o. from SYNOPSIS (GH#308) (Olaf Alders)

6.37      2019-03-06 20:49:26Z
    - Improve ->add_handler documentation (GH #272) (Julien Fiegehenn)
    - Alter our rule set to allow IPv6 proxy hosts beginning with [. (GH #237)
    - Add a jigsaw test for 307 redirects (GH#285) (Nik LaBelle)