* Fixed hiding core task list
This commit fixes the hiding of the core task list
* Added tests
* Added fix to readme.txt
* Fixed readme.txt
* Added new test
* Hooks were fixed
* Refactored task lists handling
This commit refactors a few things related to the task lists handling
* Added tests
* Fixed task lists handling
* Fixed tests
* Renamed 'taskListHidden' to 'taskListsHidden'
* Added taskListsHidden util
* Fix completed tasks tracking infinite loop
This commit fixes the completed tasks tracking infinite loop (for multiple extended tasks)
* Refactored update check
* Hide task list if there aren't any visible tasks
* Fixed comment
* Fixed typo
* Renamed example method
* Fixed example extension
* Added tab to the extension example
* Fixed extended task list enabling option
* Added more tests
* Added PHP tests
* Fixed some comments
* Removed utils.js file
Co-authored-by: Fernando Marichal <contacto@fernandomarichal.com>