Added option to modify tooltip.

diff --git a/CauldronMain.lua b/CauldronMain.lua
index f8313a4..73b6ce8 100644
--- a/CauldronMain.lua
+++ b/CauldronMain.lua
@@ -66,7 +66,10 @@ function Cauldron:OnInitialize()
 			userdata = {}, -- Stores all known characters
 		},
 		global = {
-			difficulty = {}, -- Stores at what level difficulty is changed for all recipes.
+			options = {
+				AutoOpenShoppingList = true,
+				ModifyTooltip = true,
+			},
 		}
 	};

@@ -95,6 +98,14 @@ function Cauldron:OnInitialize()
 						desc = L["Automatically open the shopping list when the bank, guild bank, or a merchant window is opened."],
 						arg = "AutoOpenShoppingList",
 					},
+					modifyTooltip = {
+						type = 'toggle',
+						order = 1,
+						width = "double",
+						name = L["Modify tooltip?"],
+						desc = L["Adds information to the game tooltip when displaying information about certain crafting items."],
+						arg = "ModifyTooltip",
+					},
 				},
 			},
 			shoppinglist = {
@@ -260,7 +271,6 @@ function Cauldron:OnEnable()
 	self:RegisterEvent("SKILL_LINES_CHANGED", "OnSkillUpdate");
 	self:RegisterEvent("ADDON_LOADED", "OnAddonLoaded");
 	self:RegisterEvent("UNIT_PORTRAIT_UPDATE", "OnEvent");
-	self:RegisterEvent("UPDATE_TRADESKILL_RECAST", "OnTradeSkillRecast");
 	self:RegisterEvent("BANKFRAME_OPENED", "OnBankOpened");
 	self:RegisterEvent("BANKFRAME_CLOSED", "OnBankClosed");
 --	self:RegisterEvent("PLAYERBANKSLOTS_CHANGED");
@@ -280,10 +290,6 @@ function Cauldron:OnEnable()
 	self:RegisterEvent("UI_ERROR_MESSAGE", "OnError");
 	self:RegisterEvent("UNIT_QUEST_LOG_CHANGED", "OnQuestLogChanged");
 	self:RegisterEvent("ACHIEVEMENT_EARNED", "OnAchievementEarned");
-	self:RegisterEvent("UNIT_SPELLCAST_START", "OnSpellcastStart");
-	self:RegisterEvent("UNIT_SPELLCAST_STOP", "OnSpellcastStop");
-	self:RegisterEvent("UNIT_SPELLCAST_SUCCEEDED", "OnSpellcastSucceed");
-	self:RegisterEvent("UNIT_SPELLCAST_INTERRUPTED", "OnSpellcastInterrupt");

 	-- setup hooks for tooltips
 	self:HookTooltips();
@@ -340,6 +346,13 @@ function Cauldron:OnTradeShow()
 		self.updatingSkills = false;
 	end

+	-- register for events that are needed when the window is open
+	self:RegisterEvent("UPDATE_TRADESKILL_RECAST", "OnTradeSkillRecast");
+	self:RegisterEvent("UNIT_SPELLCAST_START", "OnSpellcastStart");
+	self:RegisterEvent("UNIT_SPELLCAST_STOP", "OnSpellcastStop");
+	self:RegisterEvent("UNIT_SPELLCAST_SUCCEEDED", "OnSpellcastSucceed");
+	self:RegisterEvent("UNIT_SPELLCAST_INTERRUPTED", "OnSpellcastInterrupt");
+
 	-- show the UI frame
 	self:debug("OnTradeShow: show the UI");
 	self:Frame_Show();
@@ -356,8 +369,16 @@ function Cauldron:OnTradeUpdate()
 end

 function Cauldron:OnTradeClose()
-
+
+	-- hide the window
 	self:Frame_Hide();
+
+	-- unregister for events that are only needed when the window is open
+	self:UnregisterEvent("UPDATE_TRADESKILL_RECAST");
+	self:UnregisterEvent("UNIT_SPELLCAST_START");
+	self:UnregisterEvent("UNIT_SPELLCAST_STOP");
+	self:UnregisterEvent("UNIT_SPELLCAST_SUCCEEDED");
+	self:UnregisterEvent("UNIT_SPELLCAST_INTERRUPTED");

 end

@@ -959,6 +980,11 @@ function Cauldron:HookTooltips()
 end

 function Cauldron:AddToTooltip(tooltip, id)
+
+	if not Cauldron.db.global.options.ModifyTooltip then
+		return;
+	end
+
 	if not id then
 		return;
 	end
diff --git a/Locale/Cauldron-enUS.lua b/Locale/Cauldron-enUS.lua
index e6082c0..5499b56 100644
--- a/Locale/Cauldron-enUS.lua
+++ b/Locale/Cauldron-enUS.lua
@@ -40,6 +40,8 @@ L["Clear Queue"] = true
 L["General"] = true
 L["Auto-open shopping list?"] = true
 L["Automatically open the shopping list when the bank, guild bank, or a merchant window is opened."] = true
+L["Modify tooltip?"] = true
+L["Adds information to the game tooltip when displaying information about certain crafting items."] = true

 L["Cauldron had issues with some recipes for this profession."] = true
 L["Please close and re-open the %1$s window again to re-scan."] = true