You can see the online documentation here.
Please give it some rates if you buy it 
18.01.2017 - ver 2.2 - fixed the registration script to prevent vulnerability 30.06.2015 - ver 2.1 - prettyPhoto updated to 3.1.6 - latest stable and secure version 03.04.2013 - ver 2.0 - Bootstrap updated to v2.2.2 09.10.2012 - ver 1.2 - Retina display ready and change the fancybox to prettyPhoto 17.06.2012 - ver 1.1 - Update the Javascript tags to make it faster loaded 02.06.2012 - ver 1.0 - Initial release