Fix a couple of examples in the README

README

@@ -29,10 +29,6 @@ Usage example:
     api.command('eject', 'device' => 'ide1-cd0') {|m| puts "CDROM ejected" }
     api.query("status") {|m| puts "VM status now: #{m.inspect}" }
 
-    msg = my_own_magic_builder_method(arg1, arg2)
-    api.send_message(msg) {|m| puts m.inspect }
-    result = api.sync_send_message(msg) # Blocks until a response comes back
-
     api.wait # Blocks until no commands or queries are outstanding.
 
     api.command('quit') # Specifying a callback is optional
@@ -49,7 +45,7 @@ You can also do this perfectly safely:
     end
   end
 
-  sleep(0.1) while api.nil?
+  sleep(0.1) while api_outer.nil?
   # do stuff with the api object
   stopq.push(:ok)