Merge pull request #13 from ArnaudSpanneut/feature/game

Feature/game
Merge pull request #14 from ArnaudSpanneut/feature/game

Feature/game
[Error] Better management or errors
[Auth] Add best duplicate error message
Merge pull request #15 from ArnaudSpanneut/feature/auth

Feature/auth
[Game] Add first finnish version of application
[Token] Increase token time to 3 month
[Game] Add start and end date