Log Message:
Update to 0.27

Upstream changes:
0.27    02/26/2013
        - Remove more HTTP::Headers assumptions

0.26    02/26/2013
        - Add parent dependency

0.25    11/10/2012
        - Fix problem with META.yml

0.24    11/10/2012
        - Skip CONNECT test on Windows

0.23    11/05/2012
        - Fix test failures from newer HTTP::Headers

0.22
        - Filter out Status header since it's forbidden in PSGI spec (miyagawa)

0.21
        - Bump version to fix some CPAN issues.

0.20
        - Fix auto guessing of RewriteLocation.