fixes

Author: lodev09

src/DB.php

@@ -83,7 +83,7 @@ public function __construct($host = '', $database = '', $username = '', $passwor
 
             parent::__construct($dsn, $username, $password, $options);
         } catch (\PDOException $e) {
-            $this->_error = $e->getMessage();
+            throw new \PDOException($e->getMessage(), (int)$e->getCode());
         }
     }
 

src/Model.php

@@ -91,7 +91,7 @@ public static function instance($arg1, $arg2 = null) {
     }
 
     public static function connect($host, $database, $username, $password) {
-        $db = new \Models\DB(DB_HOST, DB_NAME, DB_USER, DB_PASSWORD);
+        $db = new \Models\DB($host, $database, $username, $password);
         self::set_db($db);
     }