Rakefile in re_track-0.4.0 vs Rakefile in re_track-0.5.0

@@ -2,10 +2,12 @@
 begin
   require 'bundler/setup'
 rescue LoadError
   puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
 end
+require 'appraisal'
+
 begin
   require 'rdoc/task'
 rescue LoadError
   require 'rdoc/rdoc'
   require 'rake/rdoctask'
@@ -14,11 +16,15 @@
 
 RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title    = 'ReTrack'
   rdoc.options << '--line-numbers'
-  rdoc.rdoc_files.include('README.rdoc')
+  rdoc.rdoc_files.include('README.md')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
 Bundler::GemHelper.install_tasks
 
+require 'rspec/core/rake_task'
+RSpec::Core::RakeTask.new :spec
+
+task default: :spec