GraphEditor is working

package.json

@@ -32,11 +32,11 @@
     "react-treebeard": "^2.1.0"
   },
   "peerDependencies": {
+    "prop-types": "^15.6.2",
     "react": "^16.5.1",
     "react-dnd": "^2.5.4",
     "react-dnd-html5-backend": "^2.5.4",
-    "react-dom": "^16.5.2",
-    "prop-types": "^15.6.2"
+    "react-dom": "^16.5.2"
   },
   "devDependencies": {
     "@babel/core": "^7.1.0",

src/components/SubTreeWatcher/SubTreeWatcher.jsx

@@ -21,6 +21,9 @@
  *       mySet: [{id: '/a/member/path', memberAttr: []}, {id: '/another/member/path', memberAttr: []}]
  *   },
  * },
+ *
+ * For example of usage see GraphEditor/demo.jsx
+ *
  * @author pmeijer / https://github.com/pmeijer
  */
 import React, {Component} from 'react';