0.74:	- added support for turning debugging output on/off more easily
	  during compilation (just do a "make DEBUG=y LOGRAW=y)
	- Removed define for LBDG (enables debugging output which 
	  should not be in 'production' code).
	- added define LOG_RAW_PACKET to dump raw packet data to the 
          log-file
	- Fixed Bug in command-sending-routine
	- Some code cleanup

0.73:	- Minor bugfix for dragging

0.72:	- Updated Readme.calibration (thanks to Ingo Hoffmann)
	- Improved dragging
	- Increased border for panning

0.71:   
	- Added support for virtual screens and viewports (Ralf Z. + me)
	- Move viewport with stick (Ralf Z.)
	- Move viewport with pen (me)
	- Added compilation and installation description (Ralf Z. + me)
	- Some minor bug fixes
	
0.70:   
	- Calibration features added
	- Call to InitPtrFeedbackClassDeviceStruct() which fixes stalls. 
	==> KDE now works perfectly :)))))))) (also fixed in 0.68-release)

0.68:
	- Fixed bug wich caused KDE and other programs to stall. 

0.67:
	- Touchscreen is now ALWAYS initialized correct (added two
          usleeps since it seems that the touchscreen has problems if
          the commands are sent too fast)
	
0.66:
	- Added sanity check for coordinates (thanks to Karri Varis)
	- Mouse-pointer coordinates are initialized to the middle
	of the screen
	- Re-write of initialization sequence

0.65: 
	- Improved middle button handling.
	- Added Makro for Debugging output
