Undigested food is telling you your liver is still struggling - liver cleanses- digestive enzymes and cod liver oil will hlep.
"Is it gut bacteria still, leaky gut, ?" If you still feel pain in the gut: yes.
"Still struggling with cold hands, and cant stand cold temperatures, as a could before this."
Cold hands is blood circulation try nettle herb tea and ginger herb tea (or simply boil slices of ginger root for 10 minutes and drink as tea - or cook with nettle and ginger.
Cant stand cold temperatures: lack of friendly bacteria I would try Bytyrate if I were you to help welcome bacteria into your guts.