validates_uniqueness_of :openid_url, :allow_nil => true
validates_length_of :pass_crypt, :within => 8..255
validates_length_of :display_name, :within => 3..255, :allow_nil => true
validates_uniqueness_of :openid_url, :allow_nil => true
validates_length_of :pass_crypt, :within => 8..255
validates_length_of :display_name, :within => 3..255, :allow_nil => true