<li>Added scroll bar to dense BarBox.</li>
  <li>Added undo/redo to BarBox.</li>
  </ul></li>
  <li>0.1.6
  <ul>
  <li>Added color configuration.</li>
  </ul></li>
  <li>0.1.5
  <ul>
  <li>Reverted parameter smoother to the old one which works with
  variable size audio buffer.</li>
  </ul></li>
  <li>0.1.4
  <ul>
  <li>Fixed a bug that refreshing wavetable before parameters are loaded
  at launch.</li>
  <li>Fixed off by one error in LFO wavetable with cubic
  interpolation.</li>
  </ul></li>
  <li>0.1.3
 