Update energy.dm

Bumps radiation up to 40.  Once rads go >100, it stuns them.  Soo.  Land three to stun, land 5 to kill.  Laser is land three to kill.  This shoots fast, but its range ensures that it'll be risky / near worthless at range against an armed opponent.  It's really only good against someone you can get the drop on.  Which I like.  Maybe it should be land 4 to stun, land 5 to kill, though.  For that, dial irradiate down to 30.  Thoughts please.