Corrects Load / Unload parts & contained inventory by Beathoven

Limitations:
up to 10 levels of nested inventories.
fluid containers are not properly handled (vanilla limited access from lua).

B42.12 adaptation V2 aka Arsenal[26]

first attempt at B42.12 adaptation

corrects wrecker management for mods depending on it. (By Beathoven)

corrects material gathering at uninstall time
switch translation encoding to B42 expectations

amc trailer load / unload