Anyarena v0.31 [beta] New features

HUD, XP and Leveling up!

• New: HUD (Lv, XP, HP)
• New: XP Drops
• New: XP Pickup
• New: Leveling up
• New (WIP): Upgrades dialog. (buggy)
• New: HUD Right stick controller for melee weapon indicator
• New: Enemy 
• New: Bullet trail
• Fix: Bullet behavior and physics interaction
• Fix: Performance issues
• Add: Performance issues and bugs. Yes :') find them, break this game and tell me about it.