New:

- Added mailing system to notify user.
- Email Notifications: New Order placed, Plan extended, Plan Cancelled, Balance Updated [Major]
- Added option to send users emails individually [Major]
- Added option to send all users emails [Major]
- Added alert when user has unpaid invoice
- Display Emails of users in billing users
- Added Alerts to all functions when saved in Admin area
- Make custom pages visible to guest users

Bug fixes:

- Fixed redirect issues when user requests cancellation
- Added subdomain validation to remove spaces in subdomains
- Other minor updates and changes