Avoid to validate fields that has not validation

[thewebartisan7]

When you have input that has not validation, for example an input checkbox "Remember me", right now it make it valid and hightlight in green when you do validation, example:

Why not just skip this fields that has not any validation found?

This could be easy done in init() function adding a check if fns is empty, example:

            if(fns.length) return input.pristine = {input, validators: fns, params, messages, self};

What do you think?