Fix missing dep

Author: Akryum

index.js

@@ -1,2 +1 @@
-import VueApollo from './lib/vue-plugin';
-export default VueApollo;
+module.exports = require('./lib/vue-plugin');

lib/vue-plugin.js

@@ -202,7 +202,7 @@ function prepare() {
   }
 }
 
-export default {
+module.exports = {
   install(Vue, options) {
 
     apolloClient = options.apolloClient;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-apollo",
-  "version": "1.0.0-beta1",
+  "version": "1.0.0-beta4",
   "description": "Vue apollo integration",
   "main": "index.js",
   "scripts": {
@@ -23,5 +23,8 @@
   "homepage": "https://github.com/Akryum/vue-apollo#readme",
   "peerDependencies": {
     "apollo-client": "^0.4.15"
+  },
+  "dependencies": {
+    "lodash.omit": "^4.5.0"
   }
 }