Merge pull request #15 from higidi/add_missing_dependency

Add missing dependency

Author: simonhard

.gitattributes

@@ -0,0 +1,2 @@
+.gitattributes   export-ignore
+.gitignore       export-ignore

composer.json

@@ -13,14 +13,15 @@
         "php-vcr/php-vcr": "^1.2",
         "symfony/config": "^2.6|^3|^4",
         "symfony/dependency-injection": "^2.6|^3|^4",
+        "symfony/filesystem": "^2.6|^3|^4",
         "symfony/event-dispatcher": "^2.6|^3|^4",
         "symfony/http-foundation": "^2.6|^3|^4",
         "symfony/http-kernel": "^2.6|^3|^4",
         "symfony/yaml": "^2.6|^3|^4"
     },
     "autoload": {
         "psr-4": {
-            "VCR\\VCRBundle\\": ""
+            "VCR\\VCRBundle\\": "src/"
         }
     }
 }