func (c *cachedLoader) MustGetString(key string) string {
	b, err := c.Get(key)
	if err != nil {
		panic(fmt.Sprintf("Could not fetch config (%s) %v", key, err))
	}

	var s string
	err = json.Unmarshal(b, &s)
	if err != nil {
		panic(fmt.Sprintf("Could not unmarshal config (%s) %v", key, err))
	}

	return s
}
func (c *cachedLoader) MustGetString(key string) string {
	b, err := c.Get(key)
	if err != nil {
		panic(fmt.Sprintf("Could not fetch config (%s) %v", key, err))
	}

	var s string
	err = json.Unmarshal(b, &s)
	if err != nil {
		panic(fmt.Sprintf("Could not unmarshal config (%s) %v", key, err))
	}

	return s
}
// MustGetString fetches the config and parses it into a string.  Panics on failure.