sinatra/sinatra — pull request #569 by kgrz (2012-09-04 03:39:23+00:00)
Title: Fixes #542

https://github.com/sinatra/sinatra/issues/542. request["SOME_HEADER"]
is a little confusing since the [] operator on request object is a
shortcut to the params hash. And thus, request["key"] is same as
params["key"]. Updated the same thing.