Sorry for that, but the log was really huge, pastebin.com wouldn't accept it, so I had to compress it.
Oh, one more thing. For some reason, my companion just disappeared like maybe after 3-4 days or so and we weren't even at trader's base. First I thought that he got stuck somewhere and stopped following me, but then I realized that we have the teleport now so this shouldn't be an issue, so I checked the map and he was really gone. Could it be that the game eventually despawns some entities? Assuming that this is the case, maybe you could put something there to protect at least hired NPCs from being auto-despawned by the game itself?