- gpg: Implement key lookup via keygrip (using the & prefix).
- gpg: Allow generating Ed25519 key from existing key.
- gpg: Emit an ERROR status line if no key was found with -k.
- gpg: Stop early when trying to create a primary Elgamal key.
- gpgsm: Print the card's key algorithms along with their keygrips in interactive key generation.
- agent: Clear bogus pinentry cache in the error case.
- scd: Support "acknowledge button" feature.
- scd: Fix for USB INTERRUPT transfer.
- wks: Do no use compression for the the encrypted challenge and response.
Signed-off-by: Pierre-Yves <pyu@riseup.net>