let request = NSMutableURLRequest(url: NSURL(string: "http://cgi.soic.indiana.edu/~lvweiss/prof4/register.php")! as URL)
request.httpMethod = "POST"
let postString = "username=(user.text!)&password=(pass.text!)&email=(email.text!)&name=(name.text!)"
request.httpBody = postString.data(using: String.Encoding.utf8)

let task = URLSession.shared.dataTask(with: request as URLRequest) {
data, response, error in

if error != nil {
    print("error=(String(describing: error))")
    return
}
print("response = (String(describing: response))")
let responseString = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)
print("responseString = (String(describing: responseString))")

}
task.resume()

responseString = Optional({"error":false,"message":"User created successfully"})