added Sherpa to the list of supported generators
added Herwig++ to the list of supported generators
clustered "ghost" particles now ordered by Pt
expanded description of hadron selection
improved handling of jet Pt mismatches
updated warning messages
switching to status=71 partons in Pythia8 which are equivalent to status=2 partons in Pythia6
general code cleanup and optimization, switched to using signed parton flavour codes
added "ghost" leptons