Update dev-dependencies

Author: wooorm

package.json

@@ -34,20 +34,20 @@
     "unist-util-is": "^2.0.0"
   },
   "devDependencies": {
-    "browserify": "^14.0.0",
+    "browserify": "^16.0.0",
     "esmangle": "^1.0.0",
     "hyperscript": "^2.0.2",
-    "nyc": "^11.0.0",
+    "nyc": "^12.0.0",
     "react": "^16.1.1",
     "react-dom": "^16.1.1",
     "rehype": "^5.0.0",
-    "remark-cli": "^4.0.0",
-    "remark-preset-wooorm": "^3.0.0",
+    "remark-cli": "^5.0.0",
+    "remark-preset-wooorm": "^4.0.0",
     "tape": "^4.0.0",
     "unist-builder": "^1.0.1",
     "vdom-to-html": "^2.3.1",
     "virtual-dom": "^2.1.1",
-    "xo": "^0.18.0"
+    "xo": "^0.21.0"
   },
   "scripts": {
     "build-md": "remark . -qfo",

test.js

@@ -8,7 +8,7 @@ var r = require('react').createElement;
 var rehype = require('rehype');
 var vToString = require('vdom-to-html');
 var rToString = require('react-dom/server').renderToStaticMarkup;
-var toH = require('./');
+var toH = require('.');
 
 var processor = rehype().data('settings', {fragment: true, position: false});