Rakefile in shifty-0.3.0 vs Rakefile in shifty-0.4.0

@@ -1,6 +1,7 @@
-require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+require "standard/rake"
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
+task default: :spec