curl  http://localhost:4000/api/login?email=bob@example&password=1234

HTTP/1.1 200 OK
authorization: Bearer eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXyLp0aSI6ImefP2GOWEFYWM47ig2W6nrhw
x-expires: 1499255103
content-type: text/plain; charset=utf-8

success

authUser =
    Http.send "http://localhost:4000/api/login?email=bob@example&password=1234"

Jwt.get token "/api/data" dataDecoder
    |> Jwt.send DataResult