diff -r fa9dfbfc4145 -r b7cc9d09aefe Hardware/Identifier.cs
--- a/Hardware/Identifier.cs	Thu Aug 12 20:53:27 2010 +0000
+++ b/Hardware/Identifier.cs	Sun Aug 15 14:46:58 2010 +0000
@@ -45,7 +45,7 @@
 
     private static char SEPARATOR = '/';
 
-    private void CheckIdentifiers(string[] identifiers) {
+    private static void CheckIdentifiers(string[] identifiers) {
       foreach (string s in identifiers)
         if (s.Contains(" ") || s.Contains(SEPARATOR.ToString()))
           throw new ArgumentException("Invalid identifier");