Added all PyTypeObjects to the appropriate header files.
Before the patch a lot of internal types weren't available in the header files. The patch exposes the new iterators, views and some other types to all C modules. I've also renamed some of the types and tp_names.
diff --git a/Include/tupleobject.h b/Include/tupleobject.h
index 423103a..7e9cdb5 100644
--- a/Include/tupleobject.h
+++ b/Include/tupleobject.h
@@ -32,6 +32,7 @@
 } PyTupleObject;
 
 PyAPI_DATA(PyTypeObject) PyTuple_Type;
+PyAPI_DATA(PyTypeObject) PyTupleIter_Type;
 
 #define PyTuple_Check(op) \
                  PyType_FastSubclass(Py_Type(op), Py_TPFLAGS_TUPLE_SUBCLASS)