Changelog:
==========
-Added TRUST_EXPIRED to trust_keys. Thanks to Leif Liddy for the patch.
-Fix #206: Remove deprecated --always-trust in favour of --trust-model always
-Fix #208: Add status_detail attribute to result objects which is populated when
the status is 'invalid recipient' (encryption/decryption) or 'invalid signer'
(signing).
-Add scan_keys_mem() function to scan keys in a string. Thanks to Sky Moore
for the patch.
-Fix #214: Handle multiple signatures when one of them is invalid or unverified.
-A problems attribute was added which holds problems reported by gpg
during verification.
-Fix #217: Use machine-readable interface to query the gpg version. Thanks to Justus
Winter for the patch.
-Added the ability to export keys to a file. Thanks to Leif Liddy for the patch.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
