Add a function to get the ffi pointer to the class superclass.
Add a function to get the ffi pointer to the class superclass.

telerik/NodObjC,TooTallNate/NodObjC,telerik/NodObjC,jerson/NodObjC,mralexgray/NodObjC,mralexgray/NodObjC,TooTallNate/NodObjC,jerson/NodObjC,jerson/NodObjC