title: Error while converting json to csv using csvkit
body: <p>Hi i downloaded a csvkit to my macbook everything went well by following the tutorial <a href="https://csvkit.readthedocs.org/en/0.9.1/install.html" rel="nofollow">enter link description here</a> however when i tried to convert the json files using this command</p>
  
  <pre><code>in2csv customers-page-1.json &gt; customers-page-1.csv
  </code></pre>
  
  <p><strong>This is the error</strong></p>
  
  <pre><code>When converting a JSON document with a top-level dictionary element, a key must be specified.
  </code></pre>
  
  <p>I dont know what to put the or where to put the key as spcified by the error heres my json files</p>
  
  <pre><code>{
  
  "page":1,
  "pages":132,
  "count":5945,
  "items":[
      {
          "id":74798241,
          "firstName":"Edyth",
          "lastName":"U.",
          "fullName":"Edyth U.",
          "photoUrl":null,
          "photoType":null,
          "gender":"unknown",
          "age":null,
          "organization":null,
          "jobTitle":null,
          "location":null,
          "createdAt":"2016-03-02T04:26:52Z",
          "modifiedAt":"2016-03-02T04:26:52Z"
      }]}
  </code></pre>