scryer v0.4.0

What's Changed

• Derive previews from the sidecar; drop the visual editor; preview Vue SFCs by @aklos in #39
• Falsification probes: ask whether a green test would actually catch a break by @aklos in #40
• Mint ids with a random suffix instead of the next number by @aklos in #41
• Write the model's id-keyed maps in sorted order by @aklos in #42

Full Changelog: v0.3.9...v0.4.0