Corrected default number of articles in CryptomeBridge.

The bridge was outputting a single entry when parameter n was empty.

bridges/CryptomeBridge.php

@@ -18,10 +18,11 @@ class CryptomeBridge extends BridgeAbstract{
         //$link = 'https://secure.netsolhost.com/cryptome.org/';
 
         $html = file_get_html($link) or $this->returnError('Could not request Cryptome.', 404);
-        if (isset($param['n'])) {   /* number of documents */
+        if (!empty($param['n'])) {   /* number of documents */
             $num = min(max(1, $param['n']+0), $num);
         }
 
+
         foreach($html->find('pre') as $element) {
             for ( $i = 0; $i < $num; ++$i ) {
                 $item = new \Item();