Changes between PsN 2.3.1 and 2.3.2 1. Added support for censored and categorical data in vpc. Please see the updated npc/vpc_userguide for details. 2. Added some simple error checking in $OMEGA and $SIGMA parsing. 3. Enabled negation of some common options (e.g. -compress). 4. Changed the default value of option -restarts from 5 to 0 in the source code. Please note: Users can set their own defaults in psn.conf, see Common_option_default_versions_PsN.pdf. 5. Fixed a bug to the sse that caused options not to be passed correctly. 6. Fixed a bug to sumo that prevented the user from setting some options. 7. Fixed a bug in the code for running on Torque (the torgue bug). 8. Replaced the computational principles of nonpb version 1. 9. Fixed a bug in the input checking of vpc/npc.