[Typo3] smile_categorization - Boolean criteria for "selecting" ?

[Francesco di Francia]

I opened the file smile_categorization.php and i think that the key line 
is 153:

$where .= 
'((tx_smilecategorization_categories='.$categories_array[$i].') OR 
(tx_smilecategorization_categories LIKE 
\'%,'.$categories_array[$i].',%\') OR (tx_smilecategorization_categories 
LIKE \''.$categories_array[$i].',%\') OR 
(tx_smilecategorization_categories LIKE \'%,'.$categories_array[$i].'\'))';

May be i should hardcode, changing OR in AND. But i'd like a solution 
that doesn't need hardcoding.