Fix SQL injection warnings in LookupNames#add_subtaxa
Fix SQL injection warnings in LookupNames#add_subtaxa

Uses AR + Arel instead of SQL

MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer