Merge pull request #3 from jonneyless/master

Fix error for private property access

Author: sokil

src/Client.php

@@ -2,7 +2,9 @@
 
 namespace PHPMongoKit\ODM\Adapter\Yii2;
 
-class Client
+use yii\base\Component;
+
+class Client extends Component
 {
     private $dsn;
 
@@ -76,4 +78,4 @@ public function getCollection($collectionName, $databaseName = null)
     {
         return $this->getDatabase($databaseName)->getCollection($collectionName);
     }
-}
+}