s sqrt() step
        </li>
</ul></div>
<p>
      <span class="bold"><strong>Improvements on algorithms</strong></span>
    </p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
          Checking self-intersections is now not done automatically, this can blast
          performance.
        </li>
<li class="listitem">
          Besides that, checking self-intersections is made faster.
        </li>
<li class="listitem">
          Intersections now avoid outputting dupli