Rakefile in http_scanner-0.1.0 vs Rakefile in http_scanner-0.2.0

@@ -1,16 +1,32 @@
 require 'bundler/gem_tasks'
+
+begin
+  require 'rspec/core/rake_task'
+  RSpec::Core::RakeTask.new(:spec)
+rescue LoadError
+  nil
+end
+
+begin
+  require 'yard'
+  YARD::Rake::YardocTask.new
+rescue LoadError
+  nil
+end
+
+task default: :spec