Fixes revolver paths, span classes, typo. Cleans exodus-1.dmm

Tweaks syringe gun and dart gun, renames syringe gun cartridges and makes them printable.
Adjusts penetration so that passing through mobs happens with a probability that scales with damage.
Adds a .45 signal pistol to the HoP's closet and a 9mm one to the mercenary shuttle.

code/game/objects/items/weapons/storage/boxes.dm

@@ -79,7 +79,6 @@
 /obj/item/weapon/storage/box/syringes
 	name = "box of syringes"
 	desc = "A box full of syringes."
-//	desc = "A biohazard alert warning is printed on the box"
 	icon_state = "syringe"
 
 	New()
@@ -93,7 +92,7 @@
 		new /obj/item/weapon/reagent_containers/syringe( src )
 
 /obj/item/weapon/storage/box/syringegun
-	name = "box of compressed gas cartridges"
+	name = "box of syringe gun cartridges"
 	desc = "A box full of compressed gas cartridges."
 	icon_state = "syringe"
 

code/game/objects/structures/crates_lockers/closets/secure/security.dm

@@ -54,6 +54,7 @@
 		new /obj/item/weapon/storage/box/ids(src)
 		new /obj/item/weapon/storage/box/ids( src )
 		new /obj/item/weapon/gun/energy/gun(src)
+		new /obj/item/weapon/gun/projectile/detective/flash(src)
 		new /obj/item/device/flash(src)
 		return