Update to latest BuckleScript version

Author: Maxime Ransan

package.json

@@ -2,8 +2,8 @@
   "name": "bs-protobuf-demo",
   "dependencies": {
     "body-parser": "^1.17.1",
-    "bs-ocaml-protoc-json": "^0.0.x",
-    "bs-platform": "^1.6.x",
+    "bs-ocaml-protoc-json": "^0.x.x",
+    "bs-platform": "^1.x.x",
     "express": "^4.15.2"
   },
   "devDependencies": {

src/conversion.ml

@@ -16,7 +16,7 @@ let convert desired ({u; v}  as t)  =
 
 (* Decoding request *)
 let request_of_json_string json_str = 
-  match Js_json.decodeObject @@ Js_json.parse json_str with
+  match Js_json.decodeObject @@ Js_json.parseExn json_str with
   | None -> None 
   | Some o -> Some (Messages_bs.decode_request o)