[fix #33] Euen.33.server ready for website

[fix #33] Euen.33.server ready for website
instead of a function like `to_json_no_pass` you could've implemented this:

```erlang
to_json(User, private) -> to_json(User);
to_json(User, public) ->
  %% the code that's now in to_json_no_pass
```

That way, if at some point we decide to hide another field, we can