t pusupport writestream with follow redirect

follow redirect with writeStream

`http://registry.npmjs.org/connect-mysql/-/connect-mysql-0.1.0.tgz` will 302

```
$ curl http://registry.npmjs.org/connect-mysql/-/connect-mysql-0.1.0.tgz -i
HTTP/1.0 302 Found
Location: http://218.108.192.151:80/1Q2W3E4R5T6Y7U8I9O0P1Z2X3C4V5B/registry.npmjs.org/connect-mysql/-/connect-mysql-0.1.0.tgz
Connection: Close
```