does not resend auto unsubscribe with updated value

[matthiashanel]

in go, on reconnect, a subscription with a limit is followed up by unsubscribe(max-received)
This can cause unnecessary traffic and unnecessarily dropped messages in queue subscribers.

nats.rb/lib/nats/client.rb

Lines 1072 to 1090 in 801f456

	def process_connect #:nodoc:
	# Reset reconnect attempts since TCP connection has been successful at this point.
	current = server_pool.first
	current[:was_connected] = true
	current[:reconnect_attempts] ||= 0
	cancel_reconnect_timer if reconnecting?
	# Whip through any pending SUB commands since we replay
	# all subscriptions already done anyway.
	@pending.delete_if { |sub| sub[0..2] == SUB_OP } if @pending
	@subs.each_pair { |k, v| send_command("SUB #{v[:subject]} #{v[:queue]} #{k}#{CR_LF}") }
	unless user_err_cb? or reconnecting?
	@err_cb = proc { |e| raise e }
	end
	# We have validated the connection at this point so send CONNECT
	# and any other pending commands which we need to the server.
	flush_pending