utation
          (wrong detection of points inside the areal geometry)
        </li>
<li class="listitem">
          Bug in flatten_iterator's assignment operator causing an access violation
        </li>
<li class="listitem">
          Bug in Cartesian segment-segment intersection strategy when one segment
          degenerates to a point and is collinear to the other non-degenerate segment
        </li>
<li class="listitem">
          Bug in centroid(), non-deterministic result if calculated for e.g. a P