Added a fix to update the shopping list window.

diff --git a/CauldronMain.lua b/CauldronMain.lua
index 4f0587e..e500c50 100644
--- a/CauldronMain.lua
+++ b/CauldronMain.lua
@@ -310,7 +310,7 @@ function Cauldron:OnBagUpdate(event, bagid)
 	local recalc = false;
 	for item, itemCount in pairs(items) do
 --@alpha@
-		self:debug("OnBagUpdate: item="..item.."; itemCount="..itemCount);
+		self:debug("OnBagUpdate: item="..tostring(item).."; itemCount="..itemCount);
 --@end-alpha@
 		if itemCount > 0 then
 			-- adjust shopping list
@@ -361,6 +361,7 @@ function Cauldron:OnBagUpdate(event, bagid)
 	-- Cauldron:UpdateSkills();

 	self:Frame_Update();
+	Cauldron:UpdateShoppingList();

 --@alpha@
 	self:debug("OnBagUpdate exit");