Counters now always track the whole backpack, since we traverse all items anyway in the counter code
Besides the current form, the count expression has gained a couple of new forms, enabling one to get counts by item name/gfxID (similar to findtype) and optional hue:
count 'spellbook' 1121 -- will match spellbooks with hue 1121
count '3821' -- will count coins regardless of hue
findtype) and optional hue:count 'spellbook' 1121-- will match spellbooks with hue 1121count '3821'-- will count coins regardless of hue