* Create new SelectorObserver class
* Update DOMDataBinder to use SelectorObserver
* Update names to be more clear
* Remove attributeOldValue parameter, clarify attributes parameter
* Add documentation
* Fix _modifySetting being async
* Return values for modifySettings's set and splice actions
* Add apiGetSettings
* Create a class which can accumulate tasks to run in bulk
* Create a class which binds input elements to customizable sources
* Create class which binds input elements to settings
* Add support for value transforms
* Remove redundant ObjectPropertyAccessor.getPathArray
* Fix not using correct types for input.min/max/step
* Fix wrong condition
* Use api object