Make style more like standard Objective-C.

Also makes it 64 bit friendly by using ```NSUInteger``` instead of ```unsigned int```. ```NSUInteger``` is defined as ```unsigned long``` under 64 bit.

![screen shot 2014-02-24 at 9 26 29 pm](https://f.cloud.github.com/assets/504184/2254558/67b631aa-9ddd-11e3-89de-1ece96bb7459.png)

I mostly want to test out CI :octocat: :thumbsup: