Update to 2.009000
    
    - New upstream release 2.009000
      - Bump WWW::Mechanize::Cached version to 1.50 (GH#76)
      - Require LWP::Protocol::https in tests (GH#79)
      - Added 'changes' method for Release objects (GH#57)
      - Cleaner URLs - removed redundant slashes and 'v1'
      - Created a role for user-agent handling for reuse