title: magic space between image in pdfMake
body: <p>When I'm trying to locate images in 2 colomns, I get a space between them.</p>
  
  <p>My docDefinition: </p>
  
  <pre><code>var dd = {
      pageSize: 'A4',
      pageOrientation: 'landscape',
      pageMargins: [ 0, 0, 0, 0 ],
      content: [
          {
              columns: [
                  {
                      width: 250,
                      alignment: 'left',
                      image: 'sampleImage.jpg',
                      margin: [0,0,0,0]
                  },{
                      width: 250,
                      alignment: 'left',
                      image: 'sampleImage.jpg',
                      margin: [0,0,0,0]
                  }
              ]
          },
      ],
      defaultStyle: {
          columnGap: 0,
      }
  }; 
  </code></pre>
  
  <p>Result:
  <a href="https://i.stack.imgur.com/d59wd.png" rel="nofollow noreferrer">result</a>. </p>
  
  <p>The most instesting is result on pdfmake.org/playground. That's OK.
  <a href="https://i.stack.imgur.com/XjcAM.png" rel="nofollow noreferrer">result2</a></p>
  
  <p>What happens and how to fix it?</p>