Updates version to 0.2.0, hopefully fixes appveyor publish

Author: grapoza

appveyor.yml

@@ -33,7 +33,7 @@ deploy_script:
       if ($env:APPVEYOR_REPO_TAG -eq "true")
       {
         # npm_auth_token defined in the appveyor project on the site. https://www.appveyor.com/docs/lang/nodejs-iojs/#authenticating-npm-for-publishing-packages
-        '"//registry.npmjs.org/:_authToken=$env:npm_auth_token`n" | out-file "$env:userprofile\.npmrc" -Encoding ASCII'
+        "//registry.npmjs.org/:_authToken=$env:npm_auth_token`n" | out-file "$env:userprofile\.npmrc" -Encoding ASCII
         npm publish package/ --access public
       }
 ...

package.json

@@ -3,7 +3,7 @@
   "description": "Yet another Vue treeview component.",
   "author": "Gregg Rapoza <grapoza@gmail.com>",
   "license": "MIT",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "browser": "vue-tree.umd.min.js",
   "repository": {
     "url": "https://github.com/grapoza/vue-tree",