optimizing network stuff

Runtime/Engine/Code/Extensions/NativeArrayEx.cs

@@ -14,6 +14,14 @@ namespace RebootKit.Engine.Extensions {
             }
             return string.Empty;
         }
-        
+
+        public static string ToHexString(this NativeSlice<byte> slice) {
+            StringBuilder sb = new StringBuilder(slice.Length * 3);
+            for (int i = 0; i < slice.Length; i++) {
+                sb.AppendFormat("{0:X2} ", slice[i]);
+            }
+
+            return sb.ToString();
+        }
     }
 }