version 0.29 (Fixes the lowercase/uppercase problems, fix for swf export,
new MIF and CGM export, code rearrangements)
version 0.28 (Several bugfixes, Progress bar, Cancel point, Efforts to
make libautotrace.a thread-safe, Clean up library name space (all
exported symbols have "at_" prefix), DXF, EPD and PDF export, Despeckling
filter)
version 0.27a (Fixed a compilation problem)
version 0.27 (Parts of the code were rearranged, fixed a bug in color
quantization, centerline support, Elastic Reality output, now works with
new versions of ImageMagick, swf output (via libming), dxf output was
removed because it never worked, speed up and simplification of the
fitting routine)
Should also fix bulk build failure.
