A song for the lovers

Here we are with another update from Python 2.x SVN. Added os.O_NOATIME constant. It serves the purpose to not update the access time within read operations. Added os.fchmod() and os.fchown(). The new module has been deprecated. Use types instead. sys.py3kwarning flag has been exposed. True when python is started with -3 flag on command line. [...]