Readme & package.json

Updated the API url in the package.json description and added a TODO section to the readme file.

README.md

@@ -118,4 +118,8 @@ Card.all()
  * Create your feature branch (git checkout -b my-new-feature)
  * Commit your changes (git commit -am 'Add some feature')
  * Push to the branch (git push origin my-new-feature)
- * Create a new Pull Request
+ * Create a new Pull Request
+
+ ## TODO
+  * Add testing
+  * Change package name?