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/iterobject.h b/Include/iterobject.h
index 12853b4..ba1b482 100644
--- a/Include/iterobject.h
+++ b/Include/iterobject.h
@@ -6,12 +6,14 @@
 #endif
 
 PyAPI_DATA(PyTypeObject) PySeqIter_Type;
+PyAPI_DATA(PyTypeObject) PyCallIter_Type;
+PyAPI_DATA(PyTypeObject) PyZipIter_Type;
+PyAPI_DATA(PyTypeObject) PyCmpWrapper_Type;
 
 #define PySeqIter_Check(op) (Py_Type(op) == &PySeqIter_Type)
 
 PyAPI_FUNC(PyObject *) PySeqIter_New(PyObject *);
 
-PyAPI_DATA(PyTypeObject) PyCallIter_Type;
 
 #define PyCallIter_Check(op) (Py_Type(op) == &PyCallIter_Type)