title: Convert .csv to Json, more than one property value
body: <p>I am trying to convert a spread sheet to a json file that is to be read with Exhibit 3.0. Here is a sample spread sheet (skills of candidates 1-6):</p>
  
  <pre><code>label   Skills
  1       SQL
  2       SQL, SAS
  3   
  4       MS Office
  5       MS Office, SQL
  6       SAS
  </code></pre>
  
  <p>Whenever I try to convert I get:</p>
  
  <pre><code>[{"label":"1","Skills":"SQL"},
  {"label":"2","Skills":"SQL, SAS"},
  {"label":"3","Skills":""},
  {"label":"4","Skills":"MS Office"},
  {"label":"5","Skills":"MS Office, SQL"},
  {"label":"6","Skills":"SAS"}]
  </code></pre>
  
  <p>What I need is (note the square brackets):</p>
  
  <pre><code> [{"label":"1","Skills":"SQL"},
  {"label":"2","Skills":["SQL", "SAS"]},
  {"label":"3","Skills":""},
  {"label":"4","Skills":"MS Office"},
  {"label":"5","Skills":["MS Office", "SQL"]},
  {"label":"6","Skills":"SAS"}]
  </code></pre>
  
  <p>Only this way Exhibit will accept that a candidate can have more than one skill. Is there a way of creating these square brackets? Or is there another way I could design the spread sheet so Exhibit would recognize that candidate no.2 has two skills? I have been working with R and Excel and so far been out of luck finding a solution.</p>
  
  <p>Thanks!</p>