Small bugfix release, with a few minor enhancements:

• Fix gas bomb poison effect lasting forever 😱
• Add accurate 1up powerup for Wolf3D/SoD campaigns (1 life, 100 health, 25 ammo)
• Add accurate backpack powerup for Doom campaign (small amounts of all ammo types)
• Persistent lives

The last one is a notable change; previously lives would reset every level, making it little more than a glorified extended life meter. Now it makes sense to try to stay alive and not waste lives, and collect those 1up powerups (in Wolf3D/SoD)!

Download free from itch.io: https://congusbongus.itch.io/cdogs-sdl/purchase

Release notes: https://github.com/cxong/cdogs-sdl/releases/tag/1.3.1