Fixed Android UploadAnswers:
- They are using a different HMAC Parameter Sort order on Android.
- Android requires spaces in the form of + beetwen array parameters.
- IOS accepts this too, so I left it as the general solution instead of a specific platform override

TODO:
- CreateUser with email does not work on IOS, Android works
- Think about only supporting one platform instead of having to constantly add fixes to make the api work for the different platforms