Minor cleaning in random.js
Minor cleaning in random.js

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