Merge pull request #30 from sramam/master

adding support for "browser" field, making inclusion in the browser more robust.

Author: JamesMessinger

package.json

@@ -33,6 +33,9 @@
     "release": "npm run upgrade && npm test && npm run bump && npm publish",
     "start": "npm run watch & http-server -o -c-1"
   },
+  "browser": {
+    "fs": false
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/BigstickCarpet/json-schema-ref-parser.git"
@@ -69,4 +72,4 @@
     "ono": "^2.2.1",
     "z-schema": "^3.17.0"
   }
-}
+}