Gallery Mode / Achievements

The Gallery mode is here... well, part of it at least.

It will be an unlockable mode related to the number of achievements earned.
- You can change the speed of some anims too !
- Some anims will still be locked as you need to see them at least once to earn them.

- Achievements are working now ! With varying difficulties from simply earning a certain rank to obtaining a score under very precise conditions. Also the requirements to unlock some of them will be hidden at first, for various reasons