Make the sample work and update it with documentation about how net-h…

…ttp-pipeline works. Issue #1

Manifest.txt

@@ -4,5 +4,5 @@ Manifest.txt
 README.txt
 Rakefile
 lib/net/http/pipeline.rb
-sample/two_get.rb
+sample/pipeline.rb
 test/test_net_http_pipeline.rb

sample/pipeline.rb

@@ -0,0 +1,21 @@
+require 'net/http/pipeline'
+
+http = Net::HTTP.new 'localhost'
+http.set_debug_output $stderr # so you can see what is happening
+# http.pipelining = true # set this when localhost:80 is an HTTP/1.1 server
+
+http.start do |http|
+  reqs = []
+  reqs << Net::HTTP::Get.new('/?a') # this request will be non-pipelined
+                                    # to check if localhost:80 is HTTP/1.1
+                                    # unless http.pipelining == true
+  reqs << Net::HTTP::Get.new('/?b') # these requests will be pipelined
+  reqs << Net::HTTP::Get.new('/?c')
+
+  http.pipeline reqs do |res|
+    puts res.code
+    puts res.body[0..60].inspect
+    puts
+  end
+end
+