Fix small error in sample code

Author: trusche

README.md

@@ -153,7 +153,7 @@ until schedule_search.empty?
     next
   end
 
-  schedule_search.push(result)
+  schedule_search.push(search_id)
 end
 
 schedule_search.close
@@ -205,7 +205,6 @@ benchmark: (demo/demo_thread_pool.rb)
 
 ```ruby
 require 'serpapi'
-
 require 'pp'
 
 client = SerpApi::Client.new(api_key: ENV['SERPAPI_KEY'])
@@ -214,7 +213,7 @@ params = {
 }
 results = client.search(params)
 unless results[:organic_results]
-  puts 'organic results found'
+  puts 'no organic results found'
   exit 1
 end
 pp results[:organic_results]

README.md.erb

@@ -173,7 +173,7 @@ until schedule_search.empty?
     next
   end
 
-  schedule_search.push(result)
+  schedule_search.push(search_id)
 end
 
 schedule_search.close
@@ -193,7 +193,7 @@ require 'connection_pool'
 
 # create a thread pool of 4 threads with a persistent connection to serpapi.com
 pool = ConnectionPool.new(size: n, timeout: 5) do
-    SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30, persistent: true)
+  SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30, persistent: true)
 end
 
 # run user thread to search for your favorites coffee type
@@ -225,7 +225,6 @@ benchmark: (demo/demo_thread_pool.rb)
 
 ```ruby
 require 'serpapi'
-
 require 'pp'
 
 client = SerpApi::Client.new(api_key: ENV['SERPAPI_KEY'])
@@ -234,7 +233,7 @@ params = {
 }
 results = client.search(params)
 unless results[:organic_results]
-  puts 'organic results found'
+  puts 'no organic results found'
   exit 1
 end
 pp results[:organic_results]

Rakefile

@@ -26,7 +26,7 @@ task readme: ['README.md.erb'] do
 end
 
 YARD::Rake::YardocTask.new(:doc) do |t|
-  t.files   = ['lib/*/*.rb', 'README.md', 'LICENSE']
+  t.files   = ['lib/*/*.rb', 'LICENSE']
   t.options = ['--markup=markdown']
   t.stats_options = ['--list-undoc']
 end

demo/demo_async.rb

@@ -75,7 +75,7 @@
 
   # add results back to the client queue
   #  if the search is still in progress
-  schedule_search.push(result)
+  schedule_search.push(search_id)
 end
 
 # destroy the queue

spec/serpapi/client/client_spec.rb

@@ -2,7 +2,7 @@
 
 describe 'set of client test to archieve full code coverage' do
   let(:client) do
-    client = SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30)
+    SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30)
   end
 
   it 'search for coffee in Austin, TX, returns symbolized Hash' do