Security update, remove some old PHP, update JWT
Added
- Allowed firebase/php-jwt 6
- Add PHP test and compatibility for 7.2 and higher
Deprecated
- PHP version checks 5.6, 7.0 and 7.1
Fixed
- Allowed JWT version 6, due to CVE in older versions
- Fixed deprecated redirecturl if version field is set to 18.0.0 and higher PR#54
Removed
- PHP version checks 5.6, 7.0 and 7.1
Security
- Allowed JWT version 6, due to CVE in older versions