Changed Simplex::boundary() to be iterator-based (replaced it with boundary_begin() and boundary_end())
From: Dmitriy Morozov <morozov@cs.duke.edu>
Date: Tue, 26 Feb 2008 05:22:56 -0500
State: fixed
Subject: Non-optimized CGAL runtime error
Message-Id: <c420501cc5285bbc-0-artemis@metatron>
If the code is compiled with optimizations off or with debug on, CGAL gives a
runtime error.