H Paterson

`middlewear.Recover` causes undefined behaviour if a connection has been upgraded.

1

The [`middlewear.Recover` method ](https://github.com/go-chi/chi/blob/df44563f0692b1e677f18220b9be165e481cf51b/middleware/recoverer.go#L34)attempts to write an HTTP 500 Internal Server Error to a response as part of the error recovery process. This will cause apparently undefined behavior if the...