Get simple 3.3.16 support for php 8.0

[Felix]

Hi to all

Many people follow the trend of "having the latest version .... "
Please keep in Mind that it is not necessary to have the Get-Simple system work on PHP8

1) PHP8 does not make the get-simple cms faster - compared to other php8 systems
2) PHP8 does not make the get-simple cms safer

The Get-Simple cms is already blazing fast - compared to other php8 systems
Websites don't get hacked just because of php5.x or php7.x

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Yeah, just like Elvis

Sorry to read that some people look down on the get-simple cms
F.