Merge pull request ThingEngineer#510 from ricwein/master

ensures php5.3 compatible array syntax

MysqliDb.php

@@ -692,7 +692,7 @@ public function insertMulti($tableName, array $multiInsertData, array $dataKeys
     {
         // only auto-commit our inserts, if no transaction is currently running
         $autoCommit = (isset($this->_transaction_in_progress) ? !$this->_transaction_in_progress : true);
-        $ids = [];
+        $ids = array();
 
         if($autoCommit) {
             $this->startTransaction();