stop using RestClient::NotFound so that 0.8.0 works

Gemfile

@@ -1,6 +1,4 @@
 source 'https://rubygems.org'
 
-gem 'json-streamer', :git => "git://github.com/thisismydesign/json-streamer"
-
 # Specify your gem's dependencies in kubeclient.gemspec
 gemspec

lib/kubeclient/common.rb

@@ -116,7 +116,7 @@ def handle_exception
         {}
       end
       err_message = json_error_msg['message'] || e.message
-      error_klass = e.http_code == 404 || e.instance_of?(RestClient::NotFound) ? ResourceNotFoundError : HttpError
+      error_klass = e.http_code == 404 ? ResourceNotFoundError : HttpError
       raise error_klass.new((e.http_code || 404), err_message, e.response)
     end
 
@@ -250,11 +250,9 @@ def do_rest_request(args)
         user: @auth_options[:username],
         password: @auth_options[:password],
         open_timeout: @timeouts[:open],
-        ClientMixin.restclient_read_timeout_option => @timeouts[:read],
+        ClientMixin.restclient_read_timeout_option => @timeouts[:read]
       }
-      if args[:block]
-        options[:block_response] = args[:block]
-      end
+      options[:block_response] = args[:block] if args[:block]
       RestClient::Request.execute(options)
     end
 
@@ -298,7 +296,7 @@ def get_entities(entity_type, klass, resource_name, options = {})
       entity_streamer = Json::Streamer::JsonStreamer.new
       resource_version_streamer = Json::Streamer::JsonStreamer.new
 
-      resource_version_streamer.get(key: "resourceVersion") do |value|
+      resource_version_streamer.get(key: 'resourceVersion') do |value|
         unless resource_version
           resource_version = value
         end
@@ -309,16 +307,14 @@ def get_entities(entity_type, klass, resource_name, options = {})
       entity_streamer.get(nesting_level: 2, yield_values: false) do |object|
         entity = new_entity(object, klass)
         if block_given?
-          yield entity, resource_version
+          yield(entity, resource_version)
         else
           entities << entity
         end
       end
 
       block = proc do |response|
-        if response.instance_of? Net::HTTPNotFound
-          raise RestClient::NotFound
-        end
+        raise ResourceNotFoundError.new(404, 'Not Found', response) if response.instance_of?(Net::HTTPNotFound)
         response.read_body do |chunk|
           entity_streamer.parser << chunk
         end