src/main/java/com/github/ricksbrown/cowsay/I18n.java
public static void setLanguage(final String language) {
		currentLocale = new Locale(language);
		messages = ResourceBundle.getBundle("MessagesBundle", currentLocale);
	}
public static void setLanguage(final String language) {
		currentLocale = new Locale(language);
		messages = ResourceBundle.getBundle("MessagesBundle", currentLocale);
	}
Set the language.
@param language A BCP47 language, e.g. "en", "fr".