1.1.0

Bugfix + new skeleton + small new features release

• BUGFIX: All objects will now serialize properly when using the .json() and .jsonld() functions.
• MODEL: New skeleton version, including AccompanyingCanvas and PlaceholderCanvas objects and rendering property in a few more places
• FEATURE: .add_thumbnail() helper
• and some major documentation and testing changes external to the functionality of the library itself

What's Changed

• Pin griffe to >=0.25.2 by @digitaldogsbody in #147
• Adds add_thumbnail helper by @helrond in #145
• Adds args for intermediate objects by @helrond in #139
• Switch tox to using package dependencies by @digitaldogsbody in #140
• Skeleton utilities by @digitaldogsbody in #141
• Regenerate skeleton by @digitaldogsbody in #142
• Fix serialization errors with datetime etc by @digitaldogsbody in #151
• Fix skeleton modifier bug + add ManifestRef changes by @digitaldogsbody in #154
• Rework cookbook by @digitaldogsbody in #149

Full Changelog: 1.0.3...1.1.0