Fixed missing PreferredHash, PreferredSymmetric, PreferredCompression fields in pgp Signature.
Fixed missing PreferredHash, PreferredSymmetric,
PreferredCompression fields in pgp Signature.

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client