0.2.0

This release brings several big features such as full-functional REST API and Stats, as well
as many bugfixes and improvements. All changes are backward-compatible with 0.1.0.

New Features

• REST API implementation (info, servers list/create/remove, stats, config dump).
• Implemented gathering stats for servers and backends (rx/tx, rx/tx per second, connections count, etc)

Added

• Set GOMAXPROCS to cpu count automatically if no env var is present
• Added TLS support for Docker discovery
• Added docker_container_host_env_var property to Docker discovery
• Allow any type of value (int or string) in port in JSON discovery
• Make healthchecks optional

Fixes

• Fixed panic runtime error exec discovery when exec_command is not valid path and timeout=0
• Fixed roundrobin balance strategy
• Fixed how SRV discovery handler large UDP responses; Fixed sometimes missed port.
• Fixed parsing backend on windows (with \r newlines)