Insecure Random Number Generator

Insecure RNG: https://github.com/stormpath/stormpath-sdk-php/blob/15aee3007b8aa41c20cdf28fd650b8a2368a7fa9/src/Util/UUID.phpL167-L181 Insecure RNG fallback: https://github.com/stormpath/stormpath-sdk-php/blob/62698ea98ef89217f932e28cf3e511d39af3b4cf/src/Authc/Api/ApiKeyEncryptionOptions.phpL48-L5...