Mech Punk - W.A.I.F.U update Devlog #2

I added a bunch of stuff in last few updates:

- W.A.I.F.U who levels you up and gives tips;

- Weapon Sets system - you can customize your weapons loadouts even more! 

- Weapons overheating adds that tiny extra thing to manage;

- Growing city that you can upgrade;

- Many little optimization things;

- Some spooky things;