add cpython_only and run_with_locale functions that are expected by certain unittests
add cpython_only and run_with_locale functions that are expected by certain unittests

JohnDenker/brython,olemis/brython,rubyinhell/brython,Isendir/brython,brython-dev/brython,Hasimir/brython,kikocorreoso/brython,Mozhuowen/brython,jonathanverner/brython,kevinmel2000/brython,kikocorreoso/brython,jonathanverner/brython,brython-dev/brython,Mozhuowen/brython,Lh4cKg/brython,JohnDenker/brython,Lh4cKg/brython,Isendir/brython,molebot/brython,olemis/brython,Hasimir/brython,amrdraz/brython,jonathanverner/brython,Mozhuowen/brython,Hasimir/brython,Lh4cKg/brython,Isendir/brython,kevinmel2000/brython,rubyinhell/brython,JohnDenker/brython,brython-dev/brython,kikocorreoso/brython,rubyinhell/brython,jonathanverner/brython,olemis/brython,Lh4cKg/brython,molebot/brython,Hasimir/brython,Isendir/brython,JohnDenker/brython,kevinmel2000/brython,rubyinhell/brython,molebot/brython,Mozhuowen/brython,amrdraz/brython,amrdraz/brython,kevinmel2000/brython,olemis/brython,molebot/brython,amrdraz/brython