fix: Support react 16

Closes: #78

Author: d4rkr00t

.build/webpack.config.umd.js

@@ -11,8 +11,7 @@ module.exports = {
   },
   plugins: [
     new webpack.optimize.UglifyJsPlugin({
-      compress: { warnings: false },
-      output: { comments: false }
+      compress: { warnings: false }
     }),
     new webpack.DefinePlugin({ "process.env.NODE_ENV": '"production"' })
   ],

.travis.yml

@@ -5,9 +5,8 @@ cache:
 notifications:
   email: false
 node_js:
-  - '7'
+  - '8'
   - '6'
-  - '4'
 before_script:
   - npm prune
 install: