0.30 Release

So much stuff in this update...

• There is no world map anymore. But levels are infinite. To "finish" a run you either die or have to warp back.
• Repairer is reworked. Now there is a little drone that goes around to repair. You can control the little drone.
• Enemies drop carts during combat. Repair drone will hold on to these carts for you.
• Carts can now be merged. Although only 3 possible mergers are possible.
• You can merge carts during combat.
• You can convert carts into scraps before leaving the city.
• Merging in city requires scraps.
• Ammo cart can be direct controlled to reload. Ammo is now shared between all guns.
• Engine can be direct controlled. It needs crystals that enemies drop.
• Difficulty will increase over time.
• New gun: hyper gatling
• New enemy flocking behavior. Hopefully enemies will behave nicer now and try not to overlap.
• New enemies carrying train guns.