Fix the primary issue with web sockets on Windows
Fix the primary issue with web sockets on Windows

@michaelbjames and @deadfoxygrandpa, turns out it was the deceptive
kind of bug :P The -threaded flag appears to be off by default on
Windows!

johnpmayer/elm-reactor,evancz/cli,rehno-lindeque/elm-reactor,vilterp/elm-reactor,abbradar/elm-reactor