Changed UserSearch class to have the option to include searching on the users ta…

…ble in user_login and user_nicename. refs #1

@@ -36,7 +36,7 @@ class UserSearch implements ArrayAccess, Iterator, Countable {
 
     protected $userclass = 'User';
 
-    public function __construct(Array $fields, $num_results = -1, $page = 1, $sortby = null, $sortorder = 'ASC', Array $field_match = null, $text_search = null, Array $in_groups = null) {
+    public function __construct(Array $fields, $num_results = -1, $page = 1, $sortby = null, $sortorder = 'ASC', Array $field_match = null, $text_search = null, Array $in_groups = null, $search_users_table = null) {
         $this->userclass = __NAMESPACE__ . '\User';
 
         global $wpdb;
@@ -84,6 +84,13 @@ class UserSearch implements ArrayAccess, Iterator, Countable {
             $uam_clause = " AND `uam`.`object_type` = 'user' AND `uam`.`group_id` IN (" . implode(',', $in_groups) . ") ";
         }
 
+        // Users table
+        if (!is_null($search_users_table)) {
+            if (!empty($having_clause)) {
+                $having_clause .= "\n OR `user_id` IN (SELECT `ID` FROM `wp_users` WHERE (`user_login` LIKE '%{$search}%' OR `user_nicename` LIKE '%{$search}%'))";
+            }
+        }
+
         mysql_query("SET SESSION group_concat_max_len = 40960", $wpdb->dbh);
 
         $query = "
@@ -111,6 +118,7 @@ class UserSearch implements ArrayAccess, Iterator, Countable {
                  {$order_sort}
                  {$limit_clause}
         ";
+//die(var_dump($query));
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