tadashi-aikawa/gemini — pull request #20 by tadashi-aikawa (2014-12-30 17:17:02+00:00)
Title: #16 add headers

Pull request for merge.

`qs` IF is also changed.

before

```json
"qs": "key1=1&key2=2&key2=3"
```

after

```json
"qs": {
"key1": ["1"],
"key2": ["2", "3"]
}
```