Test against Rails 4.1 (with ActiveResource 4.0). Fixes #41
Don't test Rails 4.1 against Ruby 1.8, that's just silly :)
rspec test for failure to use generated md5
save headers after populating md5

since writing the auth header depends on the calculated md5
Merge pull request #45 from workplacesystems/master
Update Gemfile.lock with new api_auth version
Changelog update
Merge pull request #42 from awendt/rails-41

Test against Rails 4.1 (with ActiveResource 4.0). Fixes #41
Merge pull request #43 from mcls/master

Support Grape::Request and any other unkown Rack::Request subclasses
Update changelog
Bump Version