Update `qs`
Fix for #147, allowing for zero values in inputs.
Merge pull request #149 from RYFN/zeroValueFix

Allow numeric zero values in form fields. Fixes #147.
Adding Bootstrap 3 Validation status classes to widget documentation
Merge pull request #150 from richbs/master

Adding Bootstrap 3 Validation status classes to widget documentation
Update `qs`, `is`, `object.assign`, `tape`, `jscs`
Update `object.assign`