Edits for strict mode

To remove strict mode warnings edit two lines of category-posts-in-custom-menu.php:

Change line 259 to:
function start_el(&$output, $item, $depth =0, $args = array(), $id = 0) {

Move lines 34–38
function CPCM_Manager() { ... }
after (original lines 40–46)
function __construct() { ... }

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