Version 4.0.0.1

This release fixes saving in the end.

Unfortunately, that's the only change (except for a tweak regarding the default set for the update checker). I couldn't fix entity tracking in time, because I couldn't get FG's custom SRG support to work (which'd be needed to add 1.10, which is necessary to correctly implement entity tracking in a way that won't break for multiple versions). I'm going to continue trying to get it to work and it'll hopefully be ready in a few days (but we all know what happened last time I said that).