autoload.php changed, not storing the subdirectories in a "subdirs.lst" file for not having to parse all the subdirectories on each request; DirUtil.php moved to the "io" dir; DomainException renamed to BusinessRuleException (RangeCheck updated for this reason); Created FileSystemRegexFilter.php, FileNameFilter.php and DirNameFilter.php; DirUtil.php changed to use DirNameFilter.php;