08-25-2006 Aurélien Croc
	* Add other compressin algorithms (0x12 for text!) ?
	* Stop sending the job if a SIGTERM is received
	* Catch for the cancel button pressed

11-25-2008 Aurélien Croc
	* Rewrite in another way the compress.cpp for generalization of the
	  runtime compression algorithm modification
	* Check the qpdl.cpp for a better code