Some minor improvements.
- [IMPROVEMENT] Check for DB User to avoid errors when DB is created.
- [IMPROVEMENT] Further rules were implemented to validate DBName and DBUser.
- [IMPROVEMENT] Php-ver Command: Error handling improved and now we can skip questions (Unattended) during PHP re-install.
- [IMPROVEMENT] Now we can force unattended installation when PHP is installed alone without Nginx.
- [IMPROVEMENT] Validate SSL Root Path to avoid errors when a certificate is requested.
- [IMPROVEMENT] General code improvements. Libraries reordered and some small code performance improvements. Internal conf-vars renamed (force-flag instead delall) and new debug variable.
- [FIXED] Some cases where DB Connection errors were not handled/detected properly.
- [FIXED] Error when the parked domain entered already exist.