Change the textbook list templatetag to task list template tag.

Add a view to list all items tagged with a given tag name.

The chapters link on view textbook page must use the new views.

Add edit and view chapters views.

Remove unused tags1 variable.

Add a base exception class and make unauthorization class a subclass.

Initial tags for the chapters should not contain Textbook as the keyword.

Add exception middleware and related files.

Create a package for taskapp views and break the views into task and textbook. Now all the view functions common to any two entities along with all tasks related views sit in task module. Even if the view is not directly related to the task entity, it sits in the task module since task is the base for every other entity in the application.

Move the configuration module to the helpers package and adjust the imports.

Create a separate package to hold all the PyTask sitewide helpers.

Add a utility script with a function to remove Textbook from current textbook chapter tasks.