Atualizando para o Rails 2.3.2

config/initializers/nasty_hacks.rb

@@ -3,6 +3,12 @@
 require "#{RAILS_ROOT}/app/models/message.rb"
 require "#{RAILS_ROOT}/app/models/log_entry.rb"
 
+class Fixnum
+	def is_numeric?
+		true
+	end
+end
+
 class String
 	def is_numeric?
 		Float self rescue false
@@ -24,3 +30,21 @@ class Array
     self
   end
 end
+
+module ActiveRecord
+  module Acts
+    module Versioned
+      module ClassMethods
+        def acts_as_paranoid_versioned
+          acts_as_paranoid
+          acts_as_versioned      
+
+          # protect the versioned model
+          self.versioned_class.class_eval do
+            def self.delete_all(conditions = nil); return; end
+          end
+        end
+      end
+    end
+  end
+end