Add the script that runs the pystone test in various versions of Brython
Add the script that runs the pystone test in various versions of Brython

kikocorreoso/brython,Hasimir/brython,kikocorreoso/brython,brython-dev/brython,brython-dev/brython,jonathanverner/brython,kikocorreoso/brython,Hasimir/brython,jonathanverner/brython,Hasimir/brython,jonathanverner/brython,Hasimir/brython,brython-dev/brython,jonathanverner/brython