0.4.0

This release brings many new features and improvemets, as well as bugfixes.
Major things are UDP support, TLS termination, TLS proxy, SNI-aware balancing.

New Features

• UDP protocol support
• TLS termination
• TLS proxy (connect to backends with TLS and configurable certs)
• SNI-aware balancing (routing based on hostname from TLS Server Name Indication record)

Added

• Possibility to enable CORS for REST API

Fixed

• Messed up client_idle_timeout and backend_idle_timeout
• Bugs in balancers: iphash, roundrobin, weight - now work more accurately
• Goroutine/memory leak caused by consul discovery not reusing http client

Changed

• Docker discovery now can have empty TLS certificates.
• Migrated to golang 1.8. Now it's minimal requirement for the build.