fix "

README

@@ -3,7 +3,7 @@ $ rails generate autologin
 $ rake db:migrate
 $ rails c
 
-irb> "http://localhost:3000/" + Autologin.create!(:user => User.first).generate_link
- => "http://localhost:3000/autologin/fc676094daf50da4fb236779ced7eb78"
+irb> 'http://localhost:3000/' + Autologin.create!(:user => User.first).generate_link
+ => 'http://localhost:3000/autologin/fc676094daf50da4fb236779ced7eb78'
 
 Copyright (c) 2011 Tomasz Bak, released under the MIT license