translation update

Added fixed question mode

Missing french translation

can translate the honeypot message

obfuscate plain text

When the CAPTCHA code is in plain text in the HTML code (js, text,
math), random whitespace characters are introduced inbetween. This
should make it a little bit harder to parse

obfuscate plain text

When the CAPTCHA code is in plain text in the HTML code (js, text,
math), random whitespace characters are introduced inbetween. This
should make it a little bit harder to parse the code from the HTML
source.

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allow user to set the length of the CAPTCHA

some cosmetic code cleanup

bind captcha to current day

Japanese translation

Update settings.php

add ```mode_o_math``` key/value

Update lang.php

Update lang.php

add ```fillmath``` key/value

fix typo

translate Math problem Chinese strings

added new 'math' mode

don't let wave generator create anything unless audio is enabled

randomize fieldnames, add honeypot

the input names for the captcha are now changing depending on the
current page and useragent.

a CSS hidden field was added that should *not* be filled.

made fonts easily exchangable

fixed script

Dutch translation

update for jQuery

Simplified Chinese translation

Korean translation

fixed URL in README

README added