Google Python Optimization Branch (unladen-swallow) to use Lua advancements

[Patrick Donnelly <batrick@...>]

In [1], they are moving to a register based machine and credited
Roberto for his work in this area.

[1] http://code.google.com/p/unladen-swallow/wiki/ProjectPlan

-- 
-Patrick Donnelly

"One of the lessons of history is that nothing is often a good thing
to do and always a clever thing to say."

-Will Durant