This pretty much says it all right here
I cast cure critical wounds on a monster I thought was undead, healed it instead, very strange...
[Wed Oct 26 22:08:21] Power Attack : Daren Valhaikor attacks Skeletal Ogre : *miss* : (4 + 8 = 12)
[Wed Oct 26 22:08:22] Attack Of Opportunity : Skeletal Ogre attacks Daren Valhaikor : *hit* : (18 + 11 = 29)
[Wed Oct 26 22:08:22] Skeletal Ogre damages Daren Valhaikor: 6 (6 Physical)
[Wed Oct 26 22:08:22] Daren Valhaikor : Damage Resistance absorbs 5 damage
[Wed Oct 26 22:08:24] Skeletal Ogre attacks Daren Valhaikor : *miss* : (8 + 11 = 19)
[Wed Oct 26 22:08:25] Yardislan Echron attacks Skeletal Ogre : *hit* : (16 + 14 = 30)
[Wed Oct 26 22:08:25] Yardislan Echron damages Skeletal Ogre: 6 (6 Physical 0 Cold)
[Wed Oct 26 22:08:26] Daren Valhaikor casting Cure Critical Wounds
[Wed Oct 26 22:08:27] Skeletal Ogre attacks Daren Valhaikor : *hit* : (19 + 11 = 30)
[Wed Oct 26 22:08:27] Yardislan Echron attacks Skeletal Ogre : *hit* : (10 + 9 = 19)
[Wed Oct 26 22:08:28] Yardislan Echron damages Skeletal Ogre: 7 (7 Physical 0 Cold)
[Wed Oct 26 22:08:28] Skeletal Ogre damages Daren Valhaikor: 9 (9 Physical)
[Wed Oct 26 22:08:28] Daren Valhaikor : Damage Resistance absorbs 5 damage
[Wed Oct 26 22:08:28] Daren Valhaikor casts Cure Critical Wounds
[Wed Oct 26 22:08:28] Skeletal Ogre : Healed 13 hit points.