How to make powers not unique

[jfrazierjr]

It seems that powers are marked as unique and at least some of them make sense to not be. Specifically, the ones which do damage where the trapping type makes a difference due to resistances, immunities, weaknesses, etc.

My thought here was to add a drop down of damage types to each power and include the standard list, making it required and having a bogus typed for powers such as teleport. Then, the picker could allow all copied except the ones the hero already has. So...I guess I need some direction on how to implement this.