Minor refactorings

We can test that these are indeed singleton instances, but other than that,
I couldn't think of anything.
On Sep 21, 2014 6:16 PM, "Joan Romano" <notifications@github.com> wrote:

> In HanekeTests/HanekeTests.swift:
>
> > @@ -24,4 +24,12 @@ class HanekeTests: XCTestCase {
> >          let cache = Haneke.sharedImageCache
> >      }
> >
> > +    func testSharedDataCache() {
> > +        let cache = Haneke.sharedDataCache
> > +    }
> > +
> > +    func testSharedStringCache() {
> > +        let cache = Haneke.sharedStringCache
> > +    }
>
> Nothing to test here?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/Haneke/HanekeSwift/pull/78/files#r17826434>.
>