ToDo-List for GRAV
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- new "Reading Data" window
- use TIFFlib for Tiff and G3
- use libXpm for XPixmaps
- support for >8bpp PING-Images 
- printing....
- converting....
- graphic-mode AUTO
- multiple "24-to-8" - translations (gbm (freq), gbm (tripple), tiffmedian)
- "lpr" variable in .gravrc (make .gravrc "editable")

