0.54.1

This update contains a lot of little improvements, especially for streamers. The big one: you can rename tapes without going back to the main menu now! The tape editor is on the terminal's SYSTEM page, and when chat names a tape with !tape it shows up right there in the store. You can update the covers on the spot or let them change the next time the store loads.Also a bunch of kitten stuff, a clearer end to the opening tutorial, and four new pieces of fan art!patch notes:StreamingViewer kittens are saved with your run now (they used to disappear when you quit to the menu).Kittens per viewer starts at 3 now.!kitten and !tape don't have a cooldown for the whole chat anymore (each viewer still has a default cooldown of 60s between commands)New viewer kittens come say hi when they first spawn...