Log Message:
Update to 3.2.0:

Changes in 3.2.0

- Add Single-sided buffer operation
- JTS-1.10 sync ...
  - Drastically improved Buffer speed (20x for a case in testsuite)
  - Improved EdgeList duplicate edge finding
  - Added algorithm::distance package
  - Added algorithm::Angle class
  - Added algorithm::BoundaryNodeRule class
  - IsSimpleOp can now return non-simple location coordinate
  - DistanceOp can now check for 'within distance' predicate
    (earlier exit)
  - MultiPolygon::getBoundary always return MultiLineString, also
    when the result is the EMPTY geometry.
- Various bug and leak fixes, optimizations
- Replace MarkupSTL with tinyXML