Add mktime() overflow test and make it NeXT robust by initializing
the structure from localtime().

Include config.h which may define COMPILER.

dir(object) now returns object.__dict__.keys() even if __dict__ is not
a dictionary.

Add Py_mport_Init and PyBuiltin_Init.

Include pydebug.h instead of declaring Py_FatalError.

Changed decl for inittab to define struct _inittab first.

Added PyBuiltin_Init.

PyFile_WriteString.

Include <stdlib.h>.
Include several more Python header files, including new pydebug.h.

Added disgusting hack to force loading of abstract.o.

Added PyNumber_Coerce decl.

Added defs for getbuiltindict, getbuiltinmod (bltinmodule.c).

on the fly -- there was an unsafe DECREF.  Actually save some lines of
code by using abstract.c:PyObject_GetItem().

having to load a zillion extension modules)