Refactor.
Refactor.

- unwrap getUTCTimeStamp()

- use gmdate() instead of
	date_default_timezone_set('UTC') + date()

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