Source for Bertrand

[Igal Koshevoy]

I've made minor changes to Wm's original source so it can be build
with modern compilers -- in my case GCC on Linux. It now compiles just
fine and I can run the example code.

You can get my reworked source code from: http://github.com/igal/bertrand/tree/master

You can either use the "download" feature to get a ZIP or tar file, or
use Git [ see http://book.git-scm.com/ for details ] to checkout the
code if you plan to make changes.

-igal