coa.15: guard GetRestedXP + GetMoneyString/GetTimeString against no-value getters

GetRestedXP did 'rate * coeff' on a nil DS:GetRestXPRate result (crashed Account
Summary). Guarded it, plus defensive nil->0 on the two common string helpers.

Altoholic/Altoholic.lua

@@ -552,6 +552,7 @@ function addon:GetSpellIDFromRecipeLink(link)
 end
 
 function addon:GetMoneyString(copper, color, noTexture)
+	copper = copper or 0		-- CoA: callers may pass a no-value DS getter result
 	color = color or "|cFFFFD700"
 
 	local gold = floor( copper / 10000 );
@@ -572,6 +573,7 @@ function addon:GetMoneyString(copper, color, noTexture)
 end
 
 function addon:GetTimeString(seconds)
+	seconds = seconds or 0		-- CoA: callers may pass a no-value DS getter result
 	local days = floor(seconds / 86400);				-- TotalTime is expressed in seconds
 	seconds = mod(seconds, 86400)
 	local hours = floor(seconds / 3600);
@@ -648,7 +650,7 @@ function Altoholic:FormatDelay(timeStamp)
 end
 
 function addon:GetRestedXP(character)
-	local rate = DS:GetRestXPRate(character)
+	local rate = DS:GetRestXPRate(character) or 0		-- CoA: getter returns no value for unscanned/partial chars
 
 	local coeff = 1
 	if addon.Options:Get("RestXPMode") == 1 then

Altoholic/Altoholic.toc

@@ -13,7 +13,7 @@
 
 ## Author: Thaoky, Telkar-RG
 ## X-Edited-By: Exiles (Sub-Net) — florian.berthold@sub-net.at
-## Version: 3.3.002b-coa.14
+## Version: 3.3.002b-coa.15
 ## X-Category: Inventory, Tradeskill, Mail
 ## X-Localizations: enUS, frFR, zhCN, zhTW, deDE, koKR, esES, esMX, ruRU
 ## X-Website: http://wow.curse.com/downloads/wow-addons/details/altoholic.aspx