• Extend tests to cover functionality of the whole plugin.
• Custom grade values for answers (this addresses issue #16)
• Add PHP 8.2 tests for the Moodle 4.3 test runs.
• Streamline the process when the strings for the dialogue are fetched.
• Add alt attributes for the icons.
• Add new modal creation process from Moodle 4.3 but keep the old process for backward compatibility.
• Add missing language string when capabilities are displayed.