[Feature Request] Preserve most recent data for item and display that while retrieving again

[kaizerfreak]

With Universalis having trouble, it would be nice to preserve data for an item that DOES come back in case you want to look at it again after it goes away, but retrieving from Universalis is failing.

[Pythyu]

Hey there, I implemented a solution in PR #73 that should satisfy your need :) Please let me know, if you have any feedback on it once it gets released.