)]}'
{
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  "author": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Mon Aug 07 06:18:02 2017 +0800"
  },
  "committer": {
    "name": "Hao Zhu",
    "email": "haozhu233@gmail.com",
    "time": "Mon Aug 07 06:18:02 2017 +0800"
  },
  "message": "change before CRAN submission\n",
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