# File lib/authlogic/acts_as_authentic/magic_columns.rb, line 16
        def self.included(klass)
          klass.class_eval do
            if column_names.include?("login_count")
              validates_numericality_of :login_count,
                :only_integer => true,
                :greater_than_or_equal_to => 0,
                :allow_nil => true
            end
            if column_names.include?("failed_login_count")
              validates_numericality_of :failed_login_count,
                :only_integer => true,
                :greater_than_or_equal_to => 0,
                :allow_nil => true
            end
          end
        end