fix head method, call has a get method
Merge redmine-review-bug-297-the-request-head-get-should-be-handle-properly
reflect changes
Add version in Changes
Update version DistZilla
Merge redmine-release-v0.12
Merge redmine-release-v0.12
cache include request method
Merge redmine-review-bug-298-cache-should-include-request-method
reflect changes
Add version in Changes
Update version DistZilla
Merge redmine-release-v0.13
Merge redmine-release-v0.13