Rakefile in gplus-1.0.1 vs Rakefile in gplus-2.0.0

@@ -2,5 +2,12 @@
 require "bundler/gem_tasks"
 
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new('spec')
 task :default => :spec
+
+begin
+  require 'yard'
+  YARD::Rake::YardocTask.new(:yard)
+rescue LoadError
+  puts "You need to install YARD. Run `bundle install`."
+end