Captcha class using simple sums and the math renderer. Not brilliant, but enough...
-rw-r--r-- 13546 ConfirmEdit.php
-rw-r--r-- 5057 FancyCaptcha.php
-rw-r--r-- 2382 MathCaptcha
-rw-r--r-- 1564 MathCaptcha.php
-rw-r--r-- 4967 captcha.py