DB update/remove operators support

ipDb()->update('multilang', array('title' => 'bloody hell'), array(
'id >=' => 6,
'content !=' => null,
'ref LIKE' => '%d9d56%'
));

ipDb()->delete('multilang', array(
'id >' => 7,
'lang' => 'ru',
'title LIKE ' => '%bloody%'
));