Bump gem version to 2.6.0.1
Test files must be named with _test.rb appended...
Update Padrino trace validations
Remove debugger line
Fix Sinatra tests for multiple versions.
Don't run Padrino tests under Ruby 1.8
Bump gem version to 2.6.0.2
Add Grape to Gemfile
Add tests for Grape
Add simple tracing
Require Grape framework
Add to README
Rename test
Add extend functionality and class method alias
Fix typo
Add auto use Oboe::Rack and trace Endpoint instead
Remove `use Oboe::Rack`