0.2.2 - Auto-reload, faster melee, UI

New updates!

• You now auto-reload!  Meaning if you switch weapons, you will automatically keep reloading even while shooting with the other!
• Melee cooldown rate cut down, so you can slam faster!
• Added a primitive UI for your ammo
• Added version # at top right

Short-term next steps

• Instantly switch to slammer by right-clicking
• Tighten player movement

Longer-term next steps

• Generate map via grid
• Make AI use smart pathfinding