# File lib/authlogic/acts_as_authentic/magic_columns.rb, line 15
        def self.included(klass)
          klass.class_eval do
            validates_numericality_of :login_count, :only_integer => :true, :greater_than_or_equal_to => 0, :allow_nil => true if column_names.include?("login_count")
            validates_numericality_of :failed_login_count, :only_integer => :true, :greater_than_or_equal_to => 0, :allow_nil => true if column_names.include?("failed_login_count")
          end
        end