Automattic/socket.io — pull request #1729 by anupbishnoi (2014-08-19 02:40:20+00:00)
Title: Take "" and "/" as equivalent namespaces on server

On server, `.of(name)` should use the same key in `.nsps` object for "" and "/"

Important to use `String(name)` and `===` to keep out keys that don't cast to ""