compile to commonjs modules

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mightyplow/jslib",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "description": "js, helpers library",
   "main": "dist/index.js",
   "devDependencies": {
@@ -32,11 +32,7 @@
   "license": "ISC",
   "babel": {
     "presets": [
-      [
-        "es2015", {
-          "modules": false
-        }
-      ]
+      "es2015"
     ]
   }
 }