Python functools32

This is a backport of the Python 3.2 functools module for use on Python versions 2.7 and PyPy. It includes new features lru_cache (Least-recently-used cache decorator).

Refer to the Python 3.2 documentation for usage information: http://docs.python.org/3.2/library/functools.html

Bugs? Try to reproduce them on the latest Python 3.2.x itself and file bug reports on http://bugs.python.org/.

-- ENDOH takanao djmchl@gmail.com