Could be parasites as well; the description of your stools sounds like possible parasites. Parasites can be killed with the candida diet also and by antifungals. Everyone has parasites but at different levels.
Have your symptoms improved with the diet?
One thing that is interesting is you say that you feel better after eating liver; well this could be part of it all right here. When you eat animal organs, these organs heal your organs…so eating liver is healing your liver. Your liver could be slightly damaged and maybe thats what everything is tied to. Maybe the seb. derm. is tied to your liver in other words.
I highly recommend a naturopathic doctor who can heal your specific ailments and determine whether you have candida, parasites, or both. If some organs become slightly damaged, they can determine this as well.