Log Message:
Update to 1.27
Update DEPENDS

Upstream changes:
1.27 02.07.2021
  - fix various failures reported by cpantesters

1.26 01.07.2021
  - fix directories where to find basic Perl docs

1.25 20.06.2021
  - migrated to Plack architecture
  - generate fulltext index from within the application
  - use CPAN::Common::Index for knowing the latest CPAN version of a module
  - general reorganization of code and documentation

1.24 07.02.2021
  - fixed encoding problems when source code is UTF-8
  - startup options to specify additional module dirs and script dirs
  - drop links to AnnoCPAN (unfortunately that project is dead)
  - various improvements in doc and repository structure (Paul Cochrane)
  - return 403 on absent module (Ben Bullock)