version 0.3
- improves socket handling
- nonblocking ssl read/write mode to prevent striptls from stalling with large ssl payloads (e.g. large mail attachments)
- improves errorhandling
- adds SMTP.InboundStarttlsProxy, SMTP.InjectCommand, IMAP.DowngradeToV2
- fixes witnesses
- adds IRC and ACAP protocol support
- log ssl context (cipher/version)