Add 'class_isMetaClass' to core.js.
Add 'class_isMetaClass' to core.js.

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