tag 188836667d9a8ea95deb7adf5c59ea5bda936757 2.3.1
Author:	Dell Long <codlong@yahoo.com>
Date:	Sun Feb 9 13:22:18 2020 -0700

v2.3.1

commit 53cb8552296a92f328415e2abc02fcab8e8fa464
Author: Dell Long <codlong@yahoo.com>
Date:   Sun Feb 9 13:22:06 2020 -0700

    add back titan residuum

