Added an extra NULL pointer check in GetUnitNumber().

Rewrote GetSelectedPlugin() using CHOOSER_SelectedNode.

- DiskImageGUI should now also get the correct icon if the program file has
  been renamed.

- DiskImageGUI now uses GetDefDiskObject(WBTOOL) as a fallback if
  GetDiskObjectNew() fails.

- Updated Italian catalogs.

- CX_POPUP now defaults to enabled and CX_POPKEY to "ctrl alt d".

Updated copyright years.

53.4 (13-Jan-2015)
- Rewrote TD_ADDCHANGEINT/TD_REMCHANGEINT implementation to be more compatible
  with trackdisk.device/scsi.device.
- TD_REMOVE/TD_ADDCHANGEINT/TD_REMCHANGEINT are now implemented as quick
  commands.
- Fixed a memory leak in the FLAC decoder.
- Fixed a memory leak in the VDI plugin.
- Made DiskImagePlugin structure compatible with 680x0 version.
- Updated German DiskImageGUI catalog.

Made DiskImagePlugin structure compatible with 680x0 version.

- Fixed a memory leak in the VDI plugin.

- Fixed a memory leak in the FLAC decoder.

Added missing semaphore protection.

- Rewrote TD_ADDCHANGEINT/TD_REMCHANGEINT implementation to be more compatible
  with trackdisk.device/scsi.device.
- TD_REMOVE/TD_ADDCHANGEINT/TD_REMCHANGEINT are now implemented as quick
  commands.

Reverted bad changes.

Updated readme file.

- TD_ADDCHANGEINT now simply chains the IO request same as other trackdisk
  drivers.

53.3 (20-Sep-2014)
- Updated Italian catalogs.
- The MDS plugin now checks the signature and version fields before trying to
  read the session data and returns ERROR_NOT_IMPLEMENTED for version 2.0 and
  newer MDS files.
- Moved the code for opening the MDF file to the end of the MDS_OpenImage()
  function.

 - Moved the code for opening the MDF file to the end of the MDS_OpenImage()
   function

 - The MDS plugin now checks the signature and version fields before trying to
   read the session data and returns ERROR_NOT_IMPLEMENTED for version 2.0 and
   newer MDS files

 - The MDS plugin now returns ERROR_NOT_IMPLEMENTED for version 2.0 and newer
   MDS files

Updated Italian catalogs

Forgot to update version in readme header.

53.2 (30-Mar-2014)
 - Updated CUE plugin to use the latest versioned shared object files
 - Updated GUI code to use OpenClass()/CloseClass() for opening and closing
   BOOPSI classes
 - Updated DMG and ISZ plugins to use Thore's now renamed bzip2.library
 - Updated AutoInstall script to use CopyStore for executable files

Updated to use Thore's renamed bzip2.library when STATIC_BZIP2 is not defined.

Updated readme file

Updated CUE plugin to use the latest versioned shared object files

Added OpenInterface()/CloseInterface() helper functions. And changed DiskImageGUI to use OpenClass()/CloseClass().

Changed to use OpenClass()/CloseClass() and updated minimum library versions from 52 to 53.

Added possibility to statically link bzip2 code to ISZ and DMG plugins.

Replaced CheckLib() function with LIB_IS_AT_LEAST() macro.

53.1 (23-Mar-2014)
 - MDS track mode detection now only looks at the 3 least significant bits
 - Added MODE 2 FORM 1 / 2448 support to MDS plugin
 - Added compiled in black and white fallback images same as in the m68k
   version (requires speedbar.gadget >= 53.11 because older AOS 4.x versions
   crash on non-BOOPSI button images)
 - Updated to use Thore Boeckelmann's bz2.library
 - Updated to use application.library version 2 interfaces

Fixed to compile with latest DOS includes.

Updated to use Thore Boeckelmann's bz2.library.

AISS is now listed as recommonded and not as a requirement.