+ * ctsim: Added center-detector concept. Allow for detector array
+ to be any arbitrary distance from center of scanner. As a result,
+ projection files are not incompatible with previous version of
+ CTSim.
+ * ctsim: Added threaded tasks and background manager for
+ background processing as well as taking advantage of multiple-CPU's
+ on SMP systems. (Microsoft Windows only)
+ * ctsim: Added plot t-theta sampling to projection file menu.
+ * ctsim: Added Reconstruction with Rebinning for faster
+ divergent beam reconstructions.
+ * ctsim: Added import and export of DICOM image files.
+ * ctsim: Added PPM, PGM, and PNG file import to imagefile.
+ * ctsim: Added FFT/IFFT of columns of image files.
+ * ctsim: Added clipboard cut/copy/paste for image files.
+ * ctsim: Added region of interest to reconstructions.
+ * ctsim: Added Convert Rectangular Image to Projection files
+ * ctsim: Added "Verbose Logging", "Startup Tips", and
+ "Background processes" options to Preferences dialog.
+ * ctsim: Added plotting of projection file histograms.
+ * plotfile: Added scattergram plot functions