New in 1.61
    Clock Support 
    Enhanced Sort 
    Display Directory Attributes 
    Viewer Configuration 
    Color support 
    Command line history 
    Visual directory selection 
    Helper-Applications now configurable in ~/.ytree 
    Force removing of non-empty directories 
    Dynamic directory scanning 

New in 1.62:
    Better escaping of meta-characters 
    Some minor bugfixes 

New in 1.63:
    Bzip2 Support
    8bit file/directory-names
    Bugfixes...

New in 1.64:
    rpm Support
    Bugfixes...

New in 1.65
    FreeBSD Port
    DJGPP Port
    "jar" Support 
    minor changes

New in 1.66
    User defined view
    spm Support

New in 1.67
    rar support
    No 4GB freespace limit

New in 1.70
    Large file support
    New spanish man-page
    Dynamic resize window support
    Bugfixes...

New in 1.71
    ia64 ready
    port to QNX 4.25 using ncurses 4.2
    native X11 port using PDCurses (still working on window resizing)
    added configuration items:
      NOSMALLWINDOW - bypass small file window
      NUMBERSEP     - number seperator in DIR statistics
      FILEMODE      - default file mode on startup

