Revision history for Perl extension PDFLib.
0.14
    - Fixed a problem with the bounding box code reporting the end of the
      box too early.
    - added support for underlining text via new sub
    - fix bounding box wraparound font/color mixup bug
    - add more scaling options to add_image
0.12
    - Fixed a nasty bug in bounding boxes whereby a circular reference
      was created, causing wierd errors
0.11
    - Major bug in font handling fixed
    - Changed all die()'s for croak().
    - Allow bounding boxes starting at 0,0
0.10
    - Added all coordinate translation methods
    
0.09
    - Default pagesize properly
    - Even more bounding box fixes
0.08
    - More BB fixes
0.07
    - Fixed BoundingBox::print to return the characters it couldn't
      fit into the box, useful for multi-column or multi-page
      printouts. Updated test file as an example of this.
0.06
    - Added Bounding Box API
0.05
    - Better font defaults (size defaults to current size or 10.0)
    - Allow set_font(handle => ...)
    - Fixed make_spot_color
0.04
    - Added access to all graphics primitives
    - Added string_width
    - Revamped some of the documentation
0.03
    - Bug fixes
0.02
    - Added documentation
0.01  Fri May  4 14:46:06 2001
	- original version; created by h2xs 1.19