tgriesser/checkit — pull request #22 by muddydixon (2014-10-17 10:44:45+00:00)
Title: Enable check nested key with '.'

This change enables to check the key with "." from nested object.
Thus we can check bellow:

```
var target = {info: {email: "joe@gmail.com"}};
new Checkit({
"info.email": ["required", "email"]
}).run(target); // => ok
```