Added type argument injector, xml to DB item, Version class

system/config/autoload.php

@@ -10,8 +10,8 @@ namespace Phacil\Framework;
 
 /** @package Phacil\Framework */
 final class Config {
+	
 	/**
-	 * 
 	 * @var array
 	 */
 	private $data = array();

system/database/Databases/Connectors/Oracle/ORDS/Model/Handler/Curl.php

@@ -20,7 +20,7 @@ use Phacil\Framework\Databases\Connectors\Oracle\ORDS\Connector;
 class Curl implements HandleInterface {
 	/**
 	 * 
-	 * @var resource|false
+	 * @var \CurlHandle|resource|false
 	 */
 	private $curl;
 

system/database/Databases/Driver/MySQLi.php

@@ -148,7 +148,9 @@ class MySQLi implements DriverInterface {
 		} else {
 			$stmt = $this->connection->prepare($sql);
 		}		
-
+		if(!$stmt){
+			return $stmt;
+		}
 		$result_exec = $stmt->execute();
 
 		if ($stmt->errno) {