cloud you consider support stage detail api?

url http://xxx.xx.xx.xx:8080/jenkins/job/showjob2/wfapi/runs
response as blow
```json
[
{
"_links": {
"self": {
"href": "/jenkins/job/showjob2/1/wfapi/describe"
}
},
"id": "1",
"name": "#1",
"status": "SUCCESS",
"startTimeMillis": 1501659061915,
"endTimeMillis": 0,
"durationMillis": 0,
"queueDurationMillis": 62,
"pauseDurationMillis": 0,
"stages": [
{
"_links": {
"self": {
"href": "/jenkins/job/showjob2/1/execution/node/6/wfapi/describe"
}
},
"id": "6",
"name": "Init",
"execNode": "",
"status": "SUCCESS",
"startTimeMillis": 1501659061977,
"durationMillis": 12,
"pauseDurationMillis": 0
},
{
"_links": {
"self": {
"href": "/jenkins/job/showjob2/1/execution/node/11/wfapi/describe"
}
},
"id": "11",
"name": "SCM",
"execNode": "",
"status": "SUCCESS",
"startTimeMillis": 1501659062011,
"durationMillis": 3339,
"pauseDurationMillis": 0
},
{
"_links": {
"self": {
"href": "/jenkins/job/showjob2/1/execution/node/17/wfapi/describe"
}
},
"id": "17",
"name": "Build",
"execNode": "",
"status": "SUCCESS",
"startTimeMillis": 1501659065362,
"durationMillis": 22075,
"pauseDurationMillis": 0
}
]
}
]
```

it is very useful, but in 0.3.7 i didn't found any api can get this info