copy config and mods folder from test client to new folder, (eg, mcu/2017/0201)
delete unnecessary cfg's from config folder, and delete unnecessary folders from mods folder
copy optionals and resources folder from previous update folder
use fastpack to create new xml.
open xml for editing
remove liteloader
rename mods where needed.
load current and previous xml's with text-compare.com and look for extra cfg's, changed md5's for cfg's from updated mods, load order of any new mods.
upload new mcu folder to file host and new mcu xml.