Rakefile in enat-0.1.2 vs Rakefile in enat-0.1.3

@@ -1,5 +1,9 @@
+require 'rubygems'
+require 'bundler/setup'
+
+require 'appraisal'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
\ No newline at end of file
+task default: :spec