fix fast or secure strings as sl
fix fast or secure strings as sl

move transformation of strings for sync and default values for sync and
timeout to before sanity checking.

Yubico/yubikey-val,Yubico/yubikey-val,ahojjati/yubikey-val,ahojjati/yubikey-val,ahojjati/yubikey-val,Yubico/yubikey-val