tmm1/stackprof — pull request #24 by nono (2014-03-24 00:35:06+00:00)
Title: Fix a typo in middleware.rb

I got this error before my commit:

```
/home/nono/.gem/ruby/2.1.1/gems/stackprof-0.2.6/lib/stackprof/middleware.rb:14:in `block in initialize': undefined method `save?' for StackProf::Middleware:Class (NoMethodError)
```