lihaoyi/SprayWebSockets — pull request #6 by dennis84 (2014-02-09 14:32:04+00:00)
Title: Made Sec-WebSocket-Key header matching case insensitive

When running a websocket server on Heroku the handshake request contains a `Sec-Websocket-Key` header instead of `Sec-WebSocket-Key`.

That should fix it.