allow objects that can be treated as integers to get/set/del items from a list
allow objects that can be treated as integers to get/set/del items from a list

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