Now with consistent namespaces and using statement sorting.

NativeMethods.cs

@@ -1,11 +1,11 @@
-using NSspi.Contexts;
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.ConstrainedExecution;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
-using System.Runtime.ConstrainedExecution;
+using NSspi.Contexts;
 
 namespace NSspi
 {