Added support for more browsers
Added support for more browsers

madjidtaha/Spritepack.js,MM56/Magipack.js,MM56/Magipack.js,MM56/Magipack.js,madjidtaha/Spritepack.js,madjidtaha/Spritepack.js,keitakun/Magipack.js,keitakun/Magipack.js