Function prntln
Prints some text and a new line to the console
		
		Package: Setup
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Mischa Holz
Located at lib/functions.clisetup.php
	
	Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Mischa Holz
Located at lib/functions.clisetup.php
| string | $str = '' | string which should be printed | 
| number | $tab = 0 | number of tab characters which should preceed the string |