Simplified the rand/0 function by relying on yaws_dynopts module in all cases.
Simplified the rand/0 function by relying on yaws_dynopts module in all cases.

klacke/yaws,klacke/yaws,leoliu/yaws,sebgod/yaws,phonohawk/yaws,phonohawk/yaws,phonohawk/yaws,leoliu/yaws,phonohawk/yaws,klacke/yaws,sebgod/yaws,leoliu/yaws,phonohawk/yaws,phonohawk/yaws,klacke/yaws,phonohawk/yaws,sebgod/yaws,leoliu/yaws,leoliu/yaws,sebgod/yaws,sebgod/yaws,klacke/yaws,sebgod/yaws,klacke/yaws,klacke/yaws,leoliu/yaws,sebgod/yaws,leoliu/yaws