debug: add ykpers library version to debug output where applicable
debug: add ykpers library version to debug output where applicable

eworm-de/yubico-pam,Yubico/yubico-pam,Yubico/yubico-pam,eworm-de/yubico-pam,eworm-de/yubico-pam,Yubico/yubico-pam