shorter initial sleep when waiting for key status
shorter initial sleep when waiting for key status

relates to #38

Yubico/yubikey-personalization,Yubico/yubikey-personalization-dpkg,dmitriykuptsov/yubikey-personalization,Yubico/yubikey-personalization-dpkg,Yubico/yubikey-personalization,eworm-de/yubikey-personalization,dmitriykuptsov/yubikey-personalization,Yubico/yubikey-personalization-dpkg,eworm-de/yubikey-personalization,eworm-de/yubikey-personalization,dmitriykuptsov/yubikey-personalization