src/main/java/org/eiichiro/bootleg/Responses.java
public static XMLResponse xml(Object value) {
		XMLResponse response = new XMLResponse();
		response.entity(value);
		return response;
	}
public static XMLResponse xml(Object value) {
		XMLResponse response = new XMLResponse();
		response.entity(value);
		return response;
	}
Creates {@code XMLResponse} to send the specified entity to the client as
XML format response.

@param value The object to be sent to the client.
@return {@code XMLResponse}.