Location "Model:" was missing updated to 

module/Checklist/src/Checklist/TaskEntity.php to module/Checklist/src/Checklist/Model/TaskEntity.php
Merge pull request #1238
Merge pull request #1238 in master
Update zend.input-filter.file-input.rst
Merge pull request #1239
Merge pull request #1239 in master
Update tasks.rst

Cannot access protected property Checklist\Model\TaskEntity::$title
Merge pull request #1243
Merge pull request #1243 in master