* Validate source window before handling messages
* Add unregisterHandler to CrossFrameAPI
* Refactor the process FrameAncestryHandler uses to get ancestor frame IDs
* Store a mapping of child frame information
* Update getFrameAncestryInfo to only run once
* Copy set intersection functions
* Remove unused functions
* Simplify url check
* Remove parseUrl
* Simplify stringReverse
* Remove hasOwn due to infrequent use
* Rename errorToJson/jsonToError to de/serializeError
For clarity on intended use.
* Fix time argument on timeout
* Add missing return value
* Throw an error for unexpected argument values
* Add documentation comments
* Use a stringified JSON details object for extension port names
* Fix incorrect frame ID check
* Add support for connecting to different tabs
* Add function for invoking on a different tab
* Refactor searchQueryUpdate action
* Use standard message handler style
* Use name "promiseOrResult" for consistency
* Use standard message handler convention for Yomichan message handlers
* Use common message handler invoker
* Add support for dynamic message handlers
* Pass messages using crossFrame.invoke instead of contentWindow.postMessage
* Set up async handlers
* Simplify configure call and response
