Added iutils module allowing db backups.
1) Use mysqli instead of mysql.
2) Fixes for closing result sets and connection.
3) Fixed to ensure last blob of content is written to the file.
4) Minor change in attachment name downloaded.
5) Use preg_replace instead of deprecated ereg_replace.
Added utility facility to download public files backup.
Renamed iutls module to it_utils.
Minor labeling fix.
Refactoring...
Added ability to download full file-system backup for Drupal.