Revision history for Perl extension Image::VisualConfirmation.

0.02  Thu May 25 2006
	- background color is now random
	- removed "bgcolor" useless attribute
	- improved visibility of the text by limiting colors
	- improved challenge by adding noise and sharpen filters to the
	  image
	- added support for "code" parameter
	- improved documentation
	- code cleaning

0.01  Thu May 25 2006
	- original version