Add standard header preamble and footer, a-la intobject.h.  Main purpose is extern "C" for C++ programs.
Add standard header preamble and footer, a-la intobject.h.  Main purpose is extern "C" for C++ programs.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator