LICENSE in assert_difference-0.1.0 vs LICENSE in assert_difference-0.3.0

@@ -1,5 +1,5 @@
-Copyright (c) 2009 José Pablo Fernández
+Copyright © 2009, 2010, 2011, José Pablo Fernández
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
 "Software"), to deal in the Software without restriction, including
 without limitation the rights to use, copy, modify, merge, publish,