Updated dependencies, including mf2/mf2 to 0.5

composer.json

@@ -5,7 +5,7 @@
   "homepage": "https://github.com/aaronpk/XRay",
   "description": "X-Ray returns structured data from any URL",
   "require": {
-    "mf2/mf2": "^0.4",
+    "mf2/mf2": "^0.4||^0.5",
     "ezyang/htmlpurifier": "^4.10",
     "indieweb/link-rel-parser": "^0.1.0",
     "dg/twitter-php": "^3.0.0",