jclem/node-heroku-client — pull request #18 by bobzoller (2014-02-19 22:04:31+00:00)
Title: Always set a Content-Length header, even if it's 0.

I was getting 411 Length Required errors from Heroku when trying to delete a collaborator. Setting the Content-length header to 0 if the request has no body appears to fix it. Spec included.