removed getData from datainterface, because it failed for PHP 5.3.3
removed getData from datainterface, because it failed for PHP 5.3.3

brethash/magmi-datapump,brethash/magmi-datapump,lsv/magmi-datapump,brethash/magmi-datapump,lsv/magmi-datapump,lsv/magmi-datapump