Allow capi calls through typecallinner

note: people need to `find -name '*.pyston.so' -delete`, since although
I think we correctly know to try to rebuild the sharedmodules,
distutils won't end up rebuilding it.

src/runtime/int.cpp

@@ -960,7 +960,7 @@ static Box* _intNew(Box* val, Box* base) {
             raiseExcHelper(TypeError, "");
         }
 
-        if (!isSubclass(r->cls, int_cls) && !isSubclass(r->cls, long_cls)) {
+        if (!PyInt_Check(r) && !PyLong_Check(r)) {
             raiseExcHelper(TypeError, "__int__ returned non-int (type %s)", r->cls->tp_name);
         }
         return r;

src/runtime/types.h

@@ -1007,7 +1007,6 @@ public:
     static void gcHandler(GCVisitor* v, Box* _o);
 };
 
-Box* objectNewNoArgs(BoxedClass* cls);
 Box* objectSetattr(Box* obj, Box* attr, Box* value);
 
 Box* unwrapAttrWrapper(Box* b);