"warning: File.exists? is a deprecated name, use File.exist? instead"
"warning: assigned but unused variable - e"
"warning: assigned but unused variable - success"
"warning: assigned but unused variable - middle"
"warning: assigned but unused variable - s"
Merge pull request #44 from amatsuda/warnings

Eliminating Ruby warnings
Merge branch 'master' of github.com:sconover/wrong into alexch
found this minitest patch in my stash
improve minitest adapter