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DDG DLL  v.2.1  released on 24.10.2011 :
  * DDG_init can be used without .set file - module is initialized 
        using default values, without any pulses
  * changes required for integration with SPCM software 
  * minor bugs fixups

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DDG DLL  v.2.0  released on 25.05.2011 :
  * uses new CVI RTE v.9.1.1
  * uses new Windriver 10.2
  * prepared for using on Windows x64 versions
  * new naming convention for different DLL versions
      ddg32.dll    - 32-bit DLL to be used only on 32-bit Windows
      ddg32x64.dll - 32-bit DLL to be used only on 64-bit Windows
      ddg64.dll    - 64-bit DLL to be used only on 64-bit Windows ( not ready yet)

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DDG DLL 1.5  released on 03.08.2007 :
   * support for new DDG-210 module added
   * Licence Number required to use DLL ( registration in installation package )

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DDG DLL 1.3  released on 06.06.2003 :
  * Set of functions added to support LabView users
     DDG_LV_.. versions of the functions added when one of the arguments
              is a structure which contains string(s) of characters
 
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DDG DLL 1.2  released on 14.05.2003 :

  * Set of functions added to read/write/edit channels pulses
  * Reading/writing settings from/to settings file possible
  * changes in DDGdata structure
  * adjust delays added for start and channel pulses

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DDG DLL 1.1  released on 25.04.2002 :

  * DDG-200 module prototype is now supported

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DDG DLL 1.0  :

  * DLL contains in the moment only low level functions to read/write DDG ports of DDG-100