* Fixes Runtime in tools.dm,239: undefined variable /mob/living/simple_animal/retaliate/solargrub/var/handcuffed
* Add logging to help identify the cause of runtime in examining zshadow mobs.
* Fix Runtime in buckling.dm,165: Cannot execute null.forceMove().
* Fixes Runtime in robot_items.dm,31: Cannot read null.origin_tech
* Fixes Runtime in paper_bundle.dm,183: Cannot read null.loc