Cannot select animation type in swift

[RajChanchal]

Hi, thanks for the great lib.
however, in swift, I am unable to choose the animation type:
Obj-C code
[self.loadingView startAnimation:BACircleAnimationFullCircle];

Swift:
self.loadingView.startAnimation: ----------

Here enums are not properly converted to swift's enums. Please correct this issue. This may help resolving this issue: http://stackoverflow.com/questions/25078245/how-to-use-objective-c-enum-in-swift