Update dependencies (#48)

Update dependencies

Author: ff6347

.babelrc

@@ -1,10 +1,10 @@
 {
 	"presets": [
-		"env"
+		"@babel/preset-env"
 	],
 	"plugins": [
 		"babel-plugin-transform-es3-member-expression-literals",
 		"babel-plugin-transform-es3-property-literals",
 		"babel-plugin-transform-es5-property-mutators"
 	]
-}
+}

index.js

@@ -51,7 +51,7 @@ var b = browserify({
     entries: [ extendscriptr.script ],
     transform: [[require.resolve('babelify'), {
         presets: [
-            'env'
+            '@babel/preset-env'
         ],
         plugins: [
             require.resolve('babel-plugin-transform-es3-member-expression-literals'),