from the homepage: * Complete code-cleanup (e.g. setting 'use strict'). * the '-e' option now works better, but a little slower. * New, improved README. * New file INDEX.TXT
Where did you read about the new version? http://slrn.sourceforge.net/ still lists 0.9.8.0 as latest.
ups, rereading it, is see, that this was just something for scoring ... i misunderstood following page: http://slrn.sourceforge.net/cleanscore/index.html so, everything is as it is