add note about discrepencies between FamilyModule::GetCurrentSet() and OpenRAVE's collision checking
add note about discrepencies between FamilyModule::GetCurrentSet() and OpenRAVE's collision checking

personalrobotics/lemur,personalrobotics/multiset-planning,personalrobotics/lemur,personalrobotics/multiset-planning,personalrobotics/lemur,personalrobotics/multiset-planning