Added code to reset/initialize tables in-game

diff --git a/WeightsWatcher.lua b/WeightsWatcher.lua
index a8d1dc1..b136195 100644
--- a/WeightsWatcher.lua
+++ b/WeightsWatcher.lua
@@ -228,9 +228,25 @@ local function loadGeneralInfo()
 	end
 end

+function WeightsWatcher:ResetTables()
+	local metatable = {}
+	metatable.__index = function(tbl, key)
+		tbl[key] = setmetatable({}, metatable)
+		return tbl[key]
+	end
+
+	ww_unparsed_lines = setmetatable({}, metatable)
+	ww_ignored_lines = setmetatable({}, metatable)
+	ww_temp_ignored_lines = setmetatable({}, metatable)
+	ww_unparsed_items = setmetatable({}, metatable)
+	ww_unweighted_lines = setmetatable({}, metatable)
+end
+
 function WeightsWatcher:OnInitialize()
 	loadGeneralInfo()

+	WeightsWatcher:ResetTables()
+
 	if not upgradeData("account", "ww_vars") then
 		return
 	end