2 Renamed pictures to phantoms, objects to phantom elements
6 More code cleanup with reorganizing libraries
7 Added --log and --exp to sdf-1
8 Allowed negative numbers for window levels in CGI interface
11 Continued code cleanup
15 Better documented, coded raysum in-memory on on-disk options
18 Cleaned out library that wasn't being used by CTSim
19 Modified ctsim.cgi to read in configuration file ctsim.conf
22 First open source distribution for GNU/Linux
25 Converted to GNU/Linux
26 added MPI support via LAM library
29 Developed under MS-DOS and IBM EGA graphics