Tweaks to update system

Launch.lua

@@ -155,6 +155,8 @@ end
 function launch:OnSubCall(func, ...)
 	if func == "ConPrintf" and self.subScriptType == "UPDATE" and self.updateChecking then
 		self.updateMsg = string.format(...)
+	elseif func == "UpdateProgress" then
+		self.updateProgress = string.format(...)
 	end
 	if _G[func] then
 		return _G[func](...)
@@ -257,10 +259,11 @@ function launch:CheckForUpdate(inBackground)
 	if not IsSubScriptRunning() then
 		self.updateChecking = not inBackground
 		self.updateMsg = "Initialising..."
+		self.updateProgress = "Checking..."
 		self.lastUpdateCheck = GetTime()
 		local update = io.open("UpdateCheck.lua", "r")
 		self.subScriptType = "UPDATE"
-		LaunchSubScript(update:read("*a"), "GetScriptPath,GetRuntimePath,GetWorkDir,MakeDir", "ConPrintf", "CHECK")
+		LaunchSubScript(update:read("*a"), "GetScriptPath,GetRuntimePath,GetWorkDir,MakeDir", "ConPrintf,UpdateProgress", "CHECK")
 		update:close()
 	end
 end