Added code to support password settings. Fixed a bug where the [FromBody] attribute resulted in null object properties, as well as included more null checks.

SecureCore/Models/RegistrationInfo.cs

@@ -0,0 +1,10 @@
+
+namespace SecureCore.Models
+{
+    public class RegistrationInfo
+    {
+        public string Username { get; set; }
+        public string Password { get; set; }
+        public string Email { get; set; }
+    }
+}