Trying to fix

Added ReCaptcha. Added a config to get data from the database rather
than entering it by hand.
Trying to fix a lot of non working references
Removed debug echo
Updated Module

Still need to work on install.php ( but working if you copy and paste
the zpanel_core.sql into phpmyadmin )
Updated install.php

The module is now functioning
Adding 2 icons
Update billing/module.xml

Fixing so that it reads Billing inside Module admin instead of Reseller Billing
Applying my changes to the .zpp
A few more changes
It's the same file.
Update README.md

Changed install URL.
Adding a few more changes
Update api-connection/themes/includes/header.tpl

Adding global title
Update billing/module.xml

Adding my repo update details.
Update billing/module.xml

Fixing
Applying updates. Fixing ReCaptcha and overlapping tables.
Deleting no longer used file.
Update README.md

Putting a better description into ReadMe
Update README.md

Fixing spelling.
Update billing/install/zpanel_core.sql

Fixing controlpanelurl