Release 1.2.7

! hashing of ip-address (reason EU-GDPR) as option (webinterface -> other); TS user needs to reconnect to the TS3 server to be able to verify with stats page after
! added support for MySQL 8.0 and MariaDB >= 10.3
* increased session security
* increased security on stats/ page; thx to JVMerkle
* increased performance on stats page; it is shitty fast now :-)
* updated TS3 PHP Framework (version 1.1.33 from 18 April 2018)
* updated portuguese translation; thx to Pasha
* modified check on worker.php, if a process is already running
* minor code optimizations, also removed april fool (was only valid on 1st April)
+ added support for special characters (utf-8 mb4), which came with TS server version 3.2.0; before we had it for servergroup names, now for all other needed (among other things: user nicknames)
+ added polish translation; thx to DoktorekOne
+ added CSRF token for protection against Cross-Site-Request-Forgery and replay attacks
- fixed "lost update" problem on manual adding time to an user (function about the webinterface)
- fixed problem, when timezone had a very long name; now all timezone will be supported
- fixed connection problems, when the TS3 query username or password contains special characters