Added ability to turn objects invulnerable (set threshold to 0 in sandbox options)
Added tooltips to sandbox options
Fixed zombie attacks to barricaded doors not being handled properly

Fixed errors when zombies attack bendable fences

Reduced object names in sandbox options

Updated poster

Reworked fast-forwarding behavior to prevent side effects

Fixed constructions taking damage while sleeping

Fixed constructions taking damage when fast-forwarding

Updated configuration options for build 41 version

Corrected invalid barricade check causing errors

Improved configuration options