fix xabbuh/xapi-storage-api version constraint

Author: xabbuh

composer.json

@@ -14,7 +14,7 @@
         "doctrine/common": "~2.4",
         "xabbuh/xapi-data-fixtures": "~0.1",
         "xabbuh/xapi-model": "~0.1",
-        "xabbuh/xapi-storage-api": "~1.0"
+        "xabbuh/xapi-storage-api": "~0.1"
     },
     "autoload": {
         "psr-4": {