FIXES
- Installer: Fix when installing on NGINX https
- Installer: Database update engine fix
- Installer: Database passwords fix
- Plugin: Defaulting to PHP multithreaded for database creation
- Plugin: Copy Installer log to backups-dup-pro/installer on cleanup
- Plugin: Define sanitize functions for compatibility with pre 4.7 Wordpress
- Plugin: Extra validation of s3 transfer
- Plugin: Added validation to php mulithreaded database
