new function util.findAllReferences
savefile pipe logs the time it took to save
zones and levels have a weak table to list all existing ones

fixed some more memory leaks

If the rod of recall somehow drops in an unreachable spot it gets added to the player's inventory directly

Added a free rank of armor training and iron mail to Cursed start

Buffed iron & steel weapons to make melee/archery start more fun
Buffed Healing Infusion

Big movement speed effects like lightning speed, movement infusion, .. now display a fractional effect to see how close to end they are

Set definitions set_list, on_set_complete, and on_set_broken can now be tables of several different actions to take for different set ids
Made set_list able to be a function
Sets can now check against a specific inventory slot