Fixed bug causing large amounts of data to not return

@@ -84,6 +84,8 @@ class UserSearch implements ArrayAccess, Iterator, Countable {
             $uam_clause = " AND `uam`.`object_type` = 'user' AND `uam`.`group_id` IN (" . implode(',', $in_groups) . ") ";
         }
 
+        mysql_query("SET SESSION group_concat_max_len = 40960", $wpdb->dbh);
+
         $query = "
           SELECT SQL_CALC_FOUND_ROWS 
                  `user_id`
@@ -112,17 +114,7 @@ class UserSearch implements ArrayAccess, Iterator, Countable {
 /*
 ?>
 <textarea style="width: 95%; height: 35em; font-size: 11px;" autofocus="autofocus">
-<?php
-    $me = new User(1);
-    echo serialize($me) . "\n";
-    echo serialize(Array('hello' => 'world'));
-?>
-
-<?php echo serialize(new User(1)); ?>
-
-<?php echo serialize(new User(4)); ?>
-
-<?php echo trim($query); ?>;
+    <?php echo trim($query); ?>;
 </textarea>
 <?php
 /**/