25.10.2005 Yait 0.5.6
 * Added zoom level 10
 * Added some separators to menus
 * Moved "show selected" under zoom menu with the name of "show all"
 * Export now skips the export dialog when exporting a zoomed image
 * YaIT would crash when loading a ROI file and only the frame number was entered in text box

28.02.2005 YaIT 0.55
 * Uses libsif,libtpcimgio and libtpcroi instead of libpet
 * ROI preview can now be drawn smoothly

29.12.2004 YaIT 0.54
 * Fixed: ROI loading dialog now get the path from image file path
 * Fixed: Loading an image after Clearing sometimes crashed YaIT
 * New: -V argument gives version information

30.11.2004 YaIT 0.52 -> 0.53
 * Fixed: Lego ROIs were scaled incorrectly

19.11.2003 YaIT 0.51 -> 0.52
 * Fixed: frame numbers were wrong.
 * Fixed: if file open dialog would close and the file loading failed, the cursor would stay as an hourglass.
 * Fixed: Scale and NoNegValues are no longer reset when old images are cleared

10.10.2003 YaIT 0.5b -> 0.51
 * Images that have non-continous frame/plane numbers now work properly
 * If study 1 and study 2 image sizes differ, YaIT warns the user.
 * ROIs can now be moved around by pressing 'm'
 * The selected ROI can be deleted by pressing 'Del'
 * When saving a ROI, YaIT suggests a default filename
 * Support for ECAT7 was added
 * Line profile window was added
 * ROI file format compatability bug was fixed. (Ellipse and circle ROIs are now saved correctly)
 * ROI drawing menu was split in two parts
