New Spells : New versions of Magic Missile

all follow rules for Magic missile except as noted

L2 Immediate Missile may be cast as immediate action , 1 missile every 4 L, max 3
L2 Extended Missile double range
L2 Penetration Missile ignores Shield spell 1 missile/4 levels max 3 missiles
L3 Superior Missile as Penetration plus halves spell resistance