Account for overflow

stoneblock-3-chicken-breeder/betterbreeder.lua

@@ -86,7 +86,10 @@ function checkIfDone()
   for i = 1, output.size(), 1 do
     if output.getItemDetail(i) then
       item = output.getItemDetail(i)
-      if item.count == item.maxCount then
+      -- Magic number 3 here is determined as follows:
+      -- 1 from the offspring of this new generation
+      -- 2 from the breeding pair
+      if item.count == item.maxCount - 3 then
         return true
       end
     end