Use rules.php instead of reserved file name settings.php
Do not capture data unless enabled
Fixed help string for Enabled setting
New method is_enabled() to prevent direct config access
New method get_level_count() to prevent direct config access
Make the manager a singleton
Require tablelib from the file using it
Release version 1.1
Merge branch 'master' of github.com:FMCorz/moodle-block_xp