Added edited lump files of maps to advance weapon spawns.

Changed timings of the called functions.

Added one more useless prop to the replacement list.
Removed props that can't be replaced (for some reason).

Added one more useless prop to the replacement list.

Attempt #2 to make it work without ammo/laser replace script. Success.

Attempt #1 to make it work without ammo/laser replace script. Failure.

Added more models for replacement on maps
where's no or few propane/oxygen spawns.(2)

Added more models for replacement on maps
where's no or few propane/oxygen spawns.(1)

Fixed wrong oxygentank name in the replace list.

Reorganized system to target propane/oxygen tanks istead of melee spawns.