This is the changelog where bug fixes & improvements are described from 16 May 2012 onward. 8 November 2012 - version 1.1-13 - bugfix in aspect whereby aspect was not correctly calculated for directions between 90 & 180 degrees. thanks for the catch to RobertMiller7@u.boisestate.edu 16 May 2012 - version 1.1-12 - bugfix in ClassStats - splitting index equation corrected as Hossam Moniem noted the numerator was to be squared.