headers/query [*values].each should be consistent between 1.8.7 and 1.9.3
headers/query [*values].each should be consistent between 1.8.7 and 1.9.3

Fixes #174

TheNeatCompany/excon,wadetandy/excon,ilackarms/excon,mahemoff/excon,hammerdr/excon,liftforward/excon,excon/excon,cloudfoundry-incubator/excon