v0.3

• Support ECC keys and signing (introduced in GnuPG 2.1).
• Fix incorrect fingerprint being displayed for signing keys.
• Fix numerous hangs on errors or unrecognised messages when communicating with GnuPG.
• Fix hang on SMTPException when attempting to send emails.
• Various improvements to gpg-agent socket detection.

v0.2

• fixed a crash bug on platforms where pipes are unidirectional (e.g. Linux)
• fixed a bug that caused the first uid to be dropped when using GnuPG v1
• removed the arbitrary limit on the number of keys (whups!)
• supply --use-agent in case GnuPG (v1) is not configured to use the agent
• test for gpg-agent and local mailer connectivity on startup