version 3.17 (22/08/02) MY
- fixed a bug in function classify(Point p, ..) of Alpha_shapes_3.h

version 3.15 (af)
- Made demo/demo_alpha.C compile under Windows
- Fixes to make operator<< for ostream work

version 3.13:
- Use STL_extension's Triple.

version 3.12:
- Fixes for SunPro.

version 3.11:
- Implicit typenames detected by GCC 3.1.

version 3.10:
- Some fixes for SunPro.

version 3.9:
- little bug fix between documentation and source.

version 3.8:
- update to new Triangulation_3 interface.

version 3.0:
doc revision for release.

version 2.0:
using multimaps
small design changes for 2D/3D compatibility.
ex . new iterators added to describe the alpha shape for a certain value alpha.
facets are now described as a pair of interior cell and the corresponding 
index. predicates and constructions are now function objects. 

version 1.0:
First submission.