Method: Add settings action link to the plugins page.

Method: Control the output of question selection.

Method: Highlight the proper top level menu.

Method: Register and enqueue admin-specific style sheet.

Method: Hook to run on init

Method: Join users table in post table for searching posts by on user_login.

Method: Register and enqueue admin-specific JavaScript.

Method: Get free unused menu position. This function helps prevent other plugin menu conflict when assigned to same position.

Action Hook: Action hook for adding custom menu in wp-admin.

Method: Register the administration menu for this plugin into the WordPress Dashboard menu.