Outer width fix

Guys, please consider replacing ```outerWidth()``` with ```outerWidth(true)``` or ```width()```. I've experienced some examples where method call with no parameters have returned object itself and it caused errors.
![outerwidth](https://cloud.githubusercontent.com/assets/1309389/3259848/a314a2e0-f247-11e3-8a06-31cb9432ae44.png)