support dynamic loading on many different platforms, was cleaned up
and reorganised by Greg Stein. \file{importdl.c} is now quite small,
and platform-specific code has been moved into a bunch of
-\file{Python/dynload_*.c} files.
+\file{Python/dynload_*.c} files. Another cleanup: there were also a
+number of \file{my*.h} files in the Include/ directory that held
+various portability hacks; they've been merged into a single file,
+\file{Include/pyport.h}.
Vladimir Marangozov's long-awaited malloc restructuring was completed,
to make it easy to have the Python interpreter use a custom allocator