- Added a simple UDP client that doesn't interfere with requests before sending (for TSIG testing).
- Added support for receiving multiple responses (for XFR testing).
- Added support for connection timeout errors
- Added support for connection termination errors (for EDNS testing).
- Added support for specifying the TSIG key to use (for TSIG testing).
- Added support for $ORIGIN in zone file fragments.
- Simplified rcode checking and use it instead of the yxrrset BADCOOKIE hack.
- In memory channel changes:
- Fixed a trace message that incorrectly referred to client instead of server.
- Fixed a too-tight connection read loop that was preventing Tokio task switching.
- Added connection shutdown detection.
- Fixed incorrect setting of TCP mode to true when UDP mode was requested.
