jaswope/rack-reverse-proxy — pull request #25 by peterwald (2012-10-10 21:34:42+00:00)
Title: Return proxied headers as strings, rather than arrays.

This is a fix for issue 24. https://github.com/jaswope/rack-reverse-proxy/issues/24

Rack::Cache breaks upstream from Rack::ReverseProxy because it tries to treat the Cache-Control header as a string.