Add count of used items to combinations

src/Dodge/Combine.hs

@@ -50,6 +50,9 @@ invertListInv = IM.foldrWithKey
     (\k it -> ((_itType it, k, itStackAmount it) :) )
     []
 
+-- gives a list of indices-item pairs.
+-- Note that within the pair, indices can be repeated if two or more of an item
+-- are needed
 combineItemListYou :: World -> [([Int],Item)]
 combineItemListYou = concatMap lookupItems . invertListInvMult . yourInv