This is the complete addon with edits to make it compatible with 4.0.1.
initial 4.X update
-first crack at 'this' fixes
-updated TOC
initial 3.X update
-change to "UNIT_COMBO_POINTS" from "PLAYER_COMBO_POINTS" for 3.X (thanks to nonis)
-change Deadly Poison detection to handle any level of Deadly Poison
-updated TOC