more info: https://github.com/pypyjs/pypyjs.github.io/issues/7

Please select:

• test: .tar.gz with pako + untar
• test: .tar.gz with 'gist.github.com/stuartpb/10416747/'
• test: .zip with 'github.com/Stuk/jszip'
• test: .tar.xz with 'github.com/nmrugg/LZMA-JS'