Test: required method should return false for null & undefined values
Test: required method should return false for null & undefined values

jzaefferer/jquery-validation,RobJohnston/jquery-validation,RobJohnston/jquery-validation,staabm/jquery-validation,staabm/jquery-validation,jquery-validation/jquery-validation,jzaefferer/jquery-validation,jzaefferer/jquery-validation,jquery-validation/jquery-validation