Dear Developer, I was Try This Plugin on My Localhost ,
My PHP is Version Latest Or PHP 5.3 and also 5.4. and i Make the WP V. 3.4.2
Much case of in PHP 5 and later , the function Must Be Define, Like a
$_GLOBAL['tab'] or like this $return
i try open my debug , your code too much showing the BUGS ..
like on the :
lib/generator , example :
$return = is not define variable
['default'] = undefined index / variable
also like this ,
when i Activate The DEBUG on TRUE.
BUGS showing , also some shortcode in post, not appear..
Like a TABS / tabscount.
I Hope Best For you thanx For inconvenience
Neon Web Media