Cleanup repository
Add Event and Profile
Refeactor Event and Profile
Add documentation into SpeedGun::Event
Implement SpeedGun::Profile#record!
Implement SpeedGun::Event
Implement SpeedGun::Event#finished?
Coverage
Fix #finished? documentation
Add SpeedGun::Config
Implement SpeedGun
Add payload into SpeedGun::Event
Add logger sttribute into Config
Add config attribute into profile
Fix event constructor argment order
Implement discard_profile! and enabled? on SpeedGun
Implement #duration into Event
Add specs of SpeedGun
Add Rack profiler
Add railtie