General fixes and security update;

- New Arena Selection;
- Mapping of game button with 'hold' action;
- Credit screen reader;
- Fixes on control and navigation;
- Fixes on the tournament screen;
- Saves separated by Steam users and integration with SteamCloud;
- Hititback minigame color adjustments;
- Adjustments in credits of localization, UI and assets.
- 'Exit without saving' in the settings menu reverses the options for the version of when it was opened or after last save;
- Unity security update;