Taz

### Issue description ``` [ERROR] Error occurred while enabling AAC5 v5.2.0 (Is it up to date?) java.lang.AbstractMethodError: java/sql/Connection.isValid(I)Z at me.konsolas.aac.nd.a(Unknown Source) ~[?:?] at me.konsolas.aac.kc.a(kc.java:8) ~[?:?] at me.konsolas.aac.nd.a(Unknown Source) ~[?:?] at...