bug fixes

package.json

 {
   "name": "thumbnails-webvtt",
   "description": "Module for creating video thumbnails with WebVTT file as descriptor",
-  "version":      "0.0.3",
+  "version": "0.0.4",
   "license": "MIT",
   "main": "lib/index.js",
-  "keywords":     ["video", "thumbnail", "spritesheet", "sprite", "webvtt", "ffmpeg", "imagemagick"],
+  "keywords": [
+    "video",
+    "thumbnail",
+    "spritesheet",
+    "sprite",
+    "webvtt",
+    "ffmpeg",
+    "imagemagick"
+  ],
   "repository": {
     "type": "git",
     "url": "https://github.com/estliberitas/node-thumbnails-webvtt"