Release v0.10.0

Added

• Support for drain mode (#157)

  This feature allows clients to gracefully disconect, letting the subscribers
  handle any inflight messages that may have been sent by the server already.

  NATS.start(drain_timeout: 1) do |nc|
    NATS.subscribe('foo', queue: "workers") do |msg, reply, sub|
      nc.publish(reply, "ACK:#{msg}")
    end
  
    NATS.subscribe('bar', queue: "workers") do |msg, reply, sub|
      nc.publish(reply, "ACK:#{msg}")
    end
  
    NATS.subscribe('quux', queue: "workers") do |msg, reply, sub|
      nc.publish(reply, "ACK:#{msg}")
    end
  
    EM.add_timer(2) do
      next if NATS.draining?
  
      # Drain gracefully closes the connection.
      NATS.drain do
        puts "Done draining. Connection is closed."
      end
    end
  end

• Support for no_echo mode (#155)

  When connected to a NATS Server v1.2.0 or above, a client can now opt to avoid
  receiving messages that it itself has published.

  NATS.connect(no_echo: true)

Improved

• NATS.connect API is now more similar to how it works in the Go client (#156):

  # Assume 'nats://' scheme
  NATS.connect("demo.nats.io:4222")
  
  # Complete with scheme a la Go client classic usage.
  NATS.connect("nats://demo.nats.io:4222")
  
  # Use default 4222 port.
  NATS.connect("demo.nats.io")
  
  # Explicit cluster list still supported
  NATS.connect(servers: ["nats://demo.nats.io:4222"])

Fixed

• Client now supports token based authorization

  NATS.connect(token: "deadbeef")
  
  NATS.connect(uri: "nats://deadbeef@127.0.0.1:4222")
  
  NATS.connect("nats://deadbeef@127.0.0.1:4222")

Deprecated

• Removed Ruby 2.2 from build since no longer supported