moved attribute methods modules into Old and New for rails versions

lib/validates_timeliness/attribute_methods.rb

@@ -16,14 +16,15 @@ module ValidatesTimeliness
     
     def self.included(base)
       if ActiveRecord::VERSION::STRING < '2.1'
-        base.extend ClassMethodsOld
+        base.extend ClassMethods::Old
       else
-        base.extend ClassMethodsNew
+        base.extend ClassMethods::New
       end
     end
     
+    module ClassMethods
       # ActiveRecord >= 2.1
-    module ClassMethodsNew  
+      module New
         def define_read_method_for_time_zone_conversion(attr_name)
           method_body = <<-EOV          
             def #{attr_name}(reload = false)
@@ -54,10 +55,10 @@ module ValidatesTimeliness
           EOV
           evaluate_attribute_method attr_name, method_body, "#{attr_name}="
         end
-    end
+      end # New
     
       # ActiveRecord < 2.1
-    module ClassMethodsOld
+      module Old
         def define_attribute_methods
           return if generated_methods?
           columns_hash.each do |name, column|
@@ -99,7 +100,8 @@ module ValidatesTimeliness
           EOV
           evaluate_attribute_method attr_name, method_body
         end
-    end
+      end # Old
 
+    end # ClassMethods    
   end
 end