Bump version and fix examples

Signed-off-by: Waldemar Quevedo <[email protected]>

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    nats-pure (2.1.0)
+    nats-pure (2.1.1)
 
 GEM
   remote: https://rubygems.org/

examples/basic-usage.rb

@@ -26,8 +26,8 @@
 nats.publish('foo.bar.baz', 'Hello World!')
 
 # Unsubscribing
-sid = nats.subscribe('bar') { |msg| puts "Received : '#{msg}'" }
-nats.unsubscribe(sid)
+sub = nats.subscribe('bar') { |msg| puts "Received : '#{msg}'" }
+sub.unsubscribe(2)
 
 # Subscribers which reply to requests
 nats.subscribe('help') do |msg, reply, subject|
@@ -42,7 +42,7 @@
 
 # Requests happens asynchronously if given a callback
 nats.request('help', 'world', max: 2) do |response|
-  puts "[Response] '#{response}'"
+  puts "[Response] to '#{response.subject}': #{response.data}'"
 end
 
 # Request without a callback waits for the response or times out.

lib/nats/io/version.rb

@@ -15,7 +15,7 @@
 module NATS
   module IO
     # VERSION is the version of the client announced on CONNECT to the server.
-    VERSION = "2.1.0".freeze
+    VERSION = "2.1.1".freeze
 
     # LANG is the lang runtime of the client announced on CONNECT to the server.
     LANG = "#{RUBY_ENGINE}#{RUBY_VERSION}".freeze