[Changes for 0.05 - 2004-11-18]
HTML::Tidy is now preferred over XML::Clean.
Graphics::ColorNames now replaces Color::Rgb.
Dropped dependency on Spiffy and Hook::LexWrap.
TD and TH's "rowspan" and "colspan" is now handled, albeit imperfectly.
Widths in TD and TH in the same TR now always adds back to 100%.
[Changes for 0.04 - 2004-09-23]
Adds parameters to ->convert() so page size, font height etc can be tweaked.