Minor refactoring and added test task to rakefile
Merge branch 'string-cleanup' of https://github.com/saturnflyer/Moby
Remove trace code
Merge pull request #1 from saturnflyer/master

rename Method_info to MethodInfo and Source_cleaner to SourceCleaner
merging pull request from saturnflyer with master
setup tests with test_helper and rake
add default rake task to run tests
note about running tests