added some tests foor new int methods
added some tests foor new int methods

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