Work on permission system, along with initial work on database(postgres) system

DeukBot4/Utilities/LongExtensions.cs

@@ -0,0 +1,15 @@
+namespace DeukBot4.Utilities
+{
+    public static class LongExtensions
+    {
+        public static ulong ToUlong(this long l)
+        {
+            return unchecked((ulong)(l - long.MinValue));
+        }
+
+        public static long ToLong(this ulong l)
+        {
+            return unchecked((long)l + long.MinValue);
+        }
+    }
+}