You need to load your plugin at vert last? Well, sometimes we develop a simple plugin that is dependent to other plugins, something like add-on. So, in those cases, the addon plugins need to be loaded after the parent plugin. Here is a small snippet that need to put at the addon plugin to make sure that the plugin will be load at the last of all plugins.
Here you go:
https://gist.github.com/bappi-d-great/26808240df88dd1fc3fe
Enjoy!