Retrieves the plugin with given name

        :param plugin_name: Name of the plugin to retrieve
        :return samtranslator.plugins.BasePlugin: Returns the plugin object if found. None, otherwise

def _get(self, plugin_name):
        """
        Retrieves the plugin with given name

        :param plugin_name: Name of the plugin to retrieve
        :return samtranslator.plugins.BasePlugin: Returns the plugin object if found. None, otherwise
        """

        for p in self._plugins:
            if p.name == plugin_name:
                return p

        return None