def self.append_features(base) # :nodoc:
    super
    debugger
    puts "zOMG " + self.to_s + ", " + base.to_s

    base.instance_eval do

      def store_create
        create_activity("Create")
      end

      def store_update
        create_activity("Update")
      end

      def create_activity(action)
        debugger
        puts self.changes().to_s

        activity = Activity.new(:actionable => self,
                                :action => action,
                                :site => self.site_id
        )

        self.changes().each do |c|
          Change.new(:activity => activity, :attribute => c[0], :value_from => c[1][0], :value_to => c[1][1])
        end
      end
    end

    base.before_validation :store_create
    base.before_create :store_create
    base.before_update :store_update
  end