No generator support

[truongsinh]

Code sample:

  function* a(arg1, arg2){
    yield a;
  }

is not transcompiled

[truongsinh]

I am using https://github.com/tran-nguyen/generator , I believe it still has bugs and a lot to improve, but at least I already use it in beta production at nextdays.com and badger.nextdays.com (mostly server-side)