Readme updated.
SSL detection updated now that nginx ssl directive is deprecated.
Yoast sitemap now detect if nginx is installed before throw an error.
Update process now waits until background processes are finished.
- php7.3 support
- cache wp plugins permissions fixed
- custom-nginx-rules path for parked sites fixed
- wget timeout improved
- opcache not working when custom tool port is set, fixed.
- external-list-update command renamed to external-sources-update
- readme and some messaged improved.
