Crate Spy as a real weapon

(Up to Weapons (Worms Unlimited))

Crate Spy can now be activated as a weapon, that can be chosen: ammo, etc. It will show which weapon is in each crate, but this time it will be just for a turn. To use this weapon, it's not necessery anymore to search for a utility crate, unless if the player has zero ammo of this utility.