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RHUNDT / YAX-0.03 / Changes 
0.03  Fri Mar 13 11:24:21 CET 2009
        - Added bool overload to prevent stringification in boolean context
        - Fixed processing instructions so that they're round trip-able
        - insert() now adds the child to the first position if no second
          argument is specified
        - correct DOCTYPE node handling

0.02  Tue Dec 16 09:19:41 CET 2008
        - Minor documentation fixes