SLICEVIEW version 1.5 (April 23, 2008)
Improvements (compared to the previous version 1.4):
 - Zooming with keys + and - in all modes. Reset with key '0'
 - Zooming with shift left mouse button. Dezoom with ctrl left button
 - Panning to cursor with key '9'. Arrow keys for small displacements of image
 - Interpolation button acts on current frame and on others when displayed
 - Draw contours button acts on current frame and on others when displayed
 - Colours can be changed with left mouse button in image (only in display mode
 - Finally some useful output to GPLOT input file. Handy to create a hardcopy
     with GPLOT with the option to change plot parameters"
 - Interaction from XV plots. Control with mouse which subset is displayed
 - Data from line graph can be written to Ascii file on disk
 - Spline control points to file on disk in three formats
 - Improved and extended documentation (e.g. about mouse and keyboard actions
 - A number of minor bugs are removed