10/07/2004 : CUPS-PDF 1.6.3      - corrected erroneous call of GhostScript
10/05/2004 : CUPS-PDF 1.6.2      - added necessary quotes in the call of GhostScript
10/03/2004 : CUPS-PDF 1.6.1      - allow users w/o valid shell in /etc/passwd,
                                   several code optimizations
09/08/2004 : CUPS-PDF 1.6.0      - new option to check against user names in lower case,
                                   new option to label all created PDFs with a job-id
08/10/2004 : CUPS-PDF 1.5.2      - fixed insecure creation of spoolfile,
                                   several smaller code optimizations
08/09/2004 : CUPS-PDF 1.5.1      - fixed possible access to element outside allocated area,
                                   fixed possible conflict with overlapping memory areas
08/03/2004 : CUPS-PDF 1.5.0      - call to GS without root privileges for enhanced security
08/01/2004 : CUPS-PDF 1.4.3      - added -dSAFER to the call to GS to improve security
02/24/2004 : CUPS-PDF 1.4.2      - improved extraction of filenames,
                                   handling of embedded (e)ps code (RVT)
02/09/2004 : CUPS-PDF 1.4.1	 - logfile is created with mode 644 if it does not exist
01/27/2004 : CUPS-PDF 1.4.0	 - new option to set permissions for PDF output,
                                   alternative options for improved image conversion
01/06/2004 : CUPS-PDF 1.3.2      - exit status of ghostscript gets logged in debug mode
11/29/2003 : CUPS-PDF 1.3.1      - improved handling of domain prefix
11/02/2003 : CUPS-PDF 1.3        - new option to cut file name extensions
10/25/2003 : CUPS-PDF 1.2        - untitled documents are labelled with job-id,
                                   new option to add a domain prefix to user names,
                                   removed a minor bug during character replacement
08/02/2003 : CUPS-PDF 1.1        - files not viewable until creation is finished,
                                   new qualifier "$HOME" for output directory,
                                   "$HOME"-related new define in the header file
07/17/2003 : CUPS-PDF 1.0.1      - improved user name handling for multi-word names,
                                   code now distributed under the GPL
06/29/2003 : CUPS-PDF 1.0        - enhanced debug output,
                                   replacement of special characters in title,
                                   new option in the header file
05/26/2003 : CUPS-PDF 1.0pre3    - several minor bugfixes and improvements
05/21/2003 : CUPS-PDF 1.0pre2    - optimized memory management
05/16/2003 : CUPS-PDF 1.0pre1    - introduced cups-pdf.h,
                          	   code now entirely written in C,
                          	   cups-pdfgen is obsolete
02/14/2003 : CUPS-PDF 0.2  	 - script re-located to /usr/lib/cups/filter/cups-pdfgen
02/12/2003 : CUPS-PDF 0.1    	 - first beta release                                   
