ABANDONED FOR https://github.com/Retherz/RetherzTargetTracker
MrSunder - Vanilla WoW 1.12 Sunder Tracking
Note: For this to work for refreshing the stacks the person refreshing the stacks must have the addon and use MrSunder_CastSunder() to cast sunder armor. Example macro: /script MrSunder_CastSunder();