'Get the options for a plugin.
IMPORTANT NOTE: This method only returns the options for a plugin
that was previously configured using set_plugin_options. If you want
to get the default options for a plugin, get a plugin instance and
perform a plugin.get_options()
:return: An OptionList with the plugin options.'

def get_plugin_options(self, plugin_type, plugin_name):

    return self._plugins_options.get(plugin_type, {}).get(plugin_name, None)
