Created 2.8.x branch
Copyright notices now includes 2009
call_captcha: added parameter 'style', fixed some issue with parameter 'image' and text-style captchas
adjusted layout of calc_text-captcha.
Added new CAPTCHA (calc_ttf_image). Changed call_captcha() to output a table-layout. Some minor changes to captcha-code.
Added keywords to files where they are missing
added new CAPTCHA and ASP (Advanced Spam Protection)