v0.0.21

What's Changed

• chore: handle higher message throughput before handing back to UI by @imnotjames in #108
• feat: meaningful progress bar percentage by @imnotjames in #105
• chore: change session logic to match user request by @imnotjames in #110
• fix: support urn:isbn format for ISBN identifier by @imnotjames in #112
• chore: drop unused setIdentifier in doc metadata by @imnotjames in #111

Full Changelog: v0.0.20...v0.0.21