What landed in MiniStack between 1.2.0 and 1.3.30

If you read the 1.2.0 post, that is where this picks up. About four weeks have gone by and over fifty patch releases. This is a tour of what actually shipped, focused on the parts you can use today. If you have not seen MiniStack before: it is a single-binary local AWS emulator. One process, 46 serv