Update dev-dependencies

Author: wooorm

index.js

@@ -1,2 +1,2 @@
 'use strict';
-module.exports = require('./lib/index');
+module.exports = require('./lib');

package.json

@@ -23,17 +23,17 @@
     "xtend": "^4.0.1"
   },
   "devDependencies": {
-    "browserify": "^14.0.0",
+    "browserify": "^16.0.0",
     "deepmerge": "^2.0.0",
     "esmangle": "^1.0.1",
     "hast-util-to-html": "^3.0.0",
     "hastscript": "^3.0.0",
-    "nyc": "^11.0.0",
-    "remark-cli": "^4.0.0",
-    "remark-preset-wooorm": "^3.0.0",
+    "nyc": "^12.0.0",
+    "remark-cli": "^5.0.0",
+    "remark-preset-wooorm": "^4.0.0",
     "tape": "^4.0.0",
     "unist-builder": "^1.0.1",
-    "xo": "^0.18.0"
+    "xo": "^0.21.0"
   },
   "scripts": {
     "build-md": "remark . -qfo",

test.js

@@ -7,7 +7,7 @@ var h = require('hastscript');
 var u = require('unist-builder');
 var merge = require('deepmerge');
 var gh = require('./lib/github');
-var sanitize = require('./index.js');
+var sanitize = require('.');
 
 /* eslint-disable no-script-url, max-params */