Create separate lib for deprecation in order to make eso create a second file for the save variables.
Create separate lib for deprecation in order to make eso create a second file for the save variables.
This way we have one file containing the data in the format before version 3 which can be used as backup in case of a problem and a second file for the new save format after version 3.
And we finally have a new save file smaller than the original which was one of the reason for this big save change.