zk1931/pulsed — pull request #26 by EasonLiao (2014-12-07 04:19:21+00:00)
Title: format checksum as a zero-padded hex

instead of a decimal number, checksum should be zero-padded hex (e.g. abcd1234).
```
curl localhost:8080
{
"version": 0,
"path": "/",
"sessionID": -1,
"type": "dir",
"checksum": "380030",
"children": []
}
```