Added monster_list caching to prevent database hits even if template is cached.
Added monster_list caching to prevent database hits even if template is cached.

PeteAndersen/swarfarm,porksmash/swarfarm,PeteAndersen/swarfarm,porksmash/swarfarm,porksmash/swarfarm,PeteAndersen/swarfarm,PeteAndersen/swarfarm,porksmash/swarfarm