Log Message:
Update to 1.1
Add LICENSE

Upstream changes:
2012-10-25 Mattias Holmlund

  Version 1.1

    Unlink temporary cachefiles if we fail to give them a proper name
      Resolves https://rt.cpan.org/Ticket/Display.html?id=60065

    Handle multiple simultaneous cache cleanups
      Hopefully resolves https://rt.cpan.org/Public/Bug/Display.html?id=77015

    Handle caching of zero-size documents
      Resolves https://rt.cpan.org/Public/Bug/Display.html?id=76785

    Populate $response->message with the default message for the code
      Patch from Graham Barr

    Ensure response has access to request when fetching from cache
      Patch from Graham Barr.

    Handle undefined content from servers.