PBSmodelling-UG.pdf  Detailed User's Guide to this package with much more
                     information than that contained in the help files.
                     To use this package effectively, please consult the
                     guide.

ChangeLog.txt        Incremental changes made to PBSmodelling 
                     during each version.

DeveloperGuide.pdf   Overview of internal data-structures and algorithms 
                     used in PBSmodelling. Most users will have little interest
                     in this guide, which is intended primarily for package
                     developers.
