Update #0.16.03

Added:

• Hospital Tier 4
• Water Storage Tier 4

Changed:

• People now have more random chance to get sick
• Hospitals now need to be located near a Power Line and a Water Storage to work
• Hospitals now treat people faster:
  •  15 s --> 5 s

Fixed:

• Ill people counter could turn negative sometimes
• Abandoned houses wasn't abandoned