attempt_at_better_user_stamp.patch

   module ClassMethods
       def blamed
-        belongs_to :creator, :class_name => 'Person'
-        belongs_to :updater, :class_name => 'Person'
+        class_eval do
+          attr_accessor :current_updater
+          
+          belongs_to :creator, :class_name => 'Person'
+          belongs_to :updater, :class_name => 'Person'
+          validates_presence_of :creator
+          validates_presence_of(:current_updater,
+                                :unless => proc{|m| m.new_record?}
+                                )
+
+          def current_updater=(up)
+            @current_updater = up
+            self.updater = up
+          end
+
+        end
       end
+