- Split into admin and user handlers, each admin page gets its own file now
- Enforce role access once for admin POST requests
- Automatically load POST logic for admin-based requests based on the referring page, otherwise automatically load all user request logic
- Add support for using custom POST handlers
- Update logic in post when adding/editing a domain to better account for null values
- Update logic in cron domain refresher to account for null values
- Prevent cron domain refresher getting stuck on a single domain
- Exclude domains with no expiration date from the cron nightly renewal alerts