Package updates

README.md

@@ -27,6 +27,12 @@ It was tested with the following operating systems:
 
 ## Usage
 
+### Command Line
+
+Run the script ```scan``` in the bin folder.
+
+### Code
+
     const scanner = require('node-wifi-scanner');
 
     scanner.scan((err, networks) => {

index.js

@@ -3,7 +3,6 @@
  * Created by kc on 04.04.16.
  */
 
-const fs      = require('fs');
 const exec    = require('child_process').exec;
 const async   = require('async');
 const _       = require('lodash');

package.json

@@ -35,12 +35,12 @@
     "test": "mocha test"
   },
   "dependencies": {
-    "async": "2.1.4",
+    "async": "2.6.2",
     "lodash": "^4.17.11"
   },
   "devDependencies": {
     "grunt": "^1.0.3",
-    "grunt-bump": "0.7.0",
+    "grunt-bump": "0.8.0",
     "mocha": "^6.0.2"
   }
 }