use hsl-io

Author: azjezz

composer.json

@@ -16,7 +16,8 @@
     "require": {
         "hhvm": "^4.56",
         "hhvm/hsl": "^4.40",
-        "hhvm/hsl-experimental": "^4.40"
+        "hhvm/hsl-experimental": "^4.52.1",
+        "hhvm/hsl-io": "0.1"
     },
     "require-dev": {
         "facebook/fbexpect": "^2.7",
@@ -34,4 +35,4 @@
         "test": "hacktest tests/",
         "type-check": "hh_client src/"
     }
-}
+}