From 573f4437af87ea2d4a29217e13354a005474b0ab Mon Sep 17 00:00:00 2001
From: "P.M. Sutter" <sutter@iap.fr>
Date: Sun, 24 Nov 2013 16:01:07 -0600
Subject: [PATCH] added code for special AHF-like output of void catalogs for
 merger tree analysis