 
 Sylvain Vidal	<garion@mailoo.org>	(Author of service menu PDFktools)
 David Baum	<david.baum@naraesk.eu>	(Service menu PDFktools bugfixer and author of the good idea
									of ​​integrating PDFktools on "PDF Tools")
 Victor Guardiola <victor.guardiola@gmail.com> (Improved source code for "Mount ISO Image" and "Umount ISO Image" services menu;
												fixed the problem of [dir|file]name with whitespaces).
 Vasyl V. Vercynskyj <fuckel@ukr.net> (Translation to Russian and Ukrainian languages).
 Pawan Yadav <pawanyadav@gmail.com> (Research for KF5 support).
