Log Message:
Update to 2.08:

2.08  Wed May  3 17:17:33 EDT 2006
        - Implemented new rasterizer for grid mapping. Thanks to Roland
          Schar for a tortuous example of span issues.
        - Regular extraction and TREE mode are using the same
          rasterizer now.
        - Fixed HTML stripping for a header matching bug on single word
          text in keep_html mode (thanks to Michael S. Muegel for
          pointing the bug out)

2.07  Sun Feb 19 13:40:44 EST 2006
        - Fixed subtable slicing bug
        - Fixed hrow() attachment bug
        - Added tests