Hi, Bill,
Splynx 1.3 is still in a progress 
new global: CPE management, Recurring payments of CC, Paypal, etc…
(Braintree, Authorize.Net … )
- so many improvements …
you can try on VM our dev version:
wget -qO- https://deb.splynx.com/setup | bash -
apt-get install splynx-dev
for test only…
still not in high priority …