v2.0.0b4

[Archmonger]

Description

Beta version bump. Bugfixes and cleanup.

• Improve type hints on reactjs_component_from_*
• Remove jsonpointer dependency
• use_effect will now generate an exception if attempting to use an async function. Use use_async_effect instead.
• Add warning within event-to-object if providing a non-object value. Non-objects will now be passed through as-is.
• Prevent @reactpy/client from attempting to convert non-object types.
• Remove deprecated Stop exception type
• Remove deprecated hotswap function
• Remove top-level export of reactpy.Layout. Use reactpy.core.layout.Layout instead.
• Remove top-level export of reactpy.Event. Use reactpy.types.Event instead.

Checklist

Please update this checklist as you complete each item:

• Tests have been developed for bug fixes or new functionality.
• The changelog has been updated, if necessary.
• Documentation has been updated, if necessary.
• GitHub Issues closed by this PR have been linked.

_{By submitting this pull request I agree that all contributions comply with this project's open source license(s).}