Bukkit

What steps will reproduce the problem?:
1. Trying to bind a stack of 2 or more items at once.

What is the expected output? What do you see instead?:
I expected that just a single item would be marked, and the unused items would work like leftovers for when you don't have enough of something to craft something in a crafting recipe. Instead, the entire stack marks, and the rest of normal stack is left in the crafting interface. This allows players to dupe whatever they wish as long as it stacks. I could simple deny the marking of stackable items, but we have custom items on our server that use stackable items like Blaze Rods, Bones, Sticks, Feathers, etc. We can't use the plugin due to this or else players will dupe their items.

What version of the product are you using?:
I am using version 0.4.

Do you have an error log of what happened?:
This issue does not generate an error log to my knowledge. I have tested it. I might have overlooked something, though.

Please provide any additional information below:
There isn't anymore addition information. I've provided all that I know. I will provide a screenshot.

Screenshot links:
http://prntscr.com/90nfee
http://prntscr.com/90nflk