Merge commit '358343d22a2186bcb078cfda3727e64c748427ac' into InterfaceTest

TestInterface
Merge branch 'master' of https://github.com/ferenchammerl/kea-foosball
Merge branch 'master' of https://github.com/ferenchammerl/kea-foosball
Refactoring, Database Upgrade, OOP
Correct Database Structure
Creatematch Hotfix