See svn.python.org/external/pybench-2.0 for the original import of that
version.

Note that platform.py was not copied over from pybench-2.0 since
it is already part of Python 2.5.

from long ago and far away. Stop calling this pybench 1.4 because it
isn't. Remove the empty test, which was a bad idea.

Action verbose option correctly.
Tweak operation counts. Add empty and new instances tests.
Enable comparisons across different warp factors. Change version.