First release with tests

tests/Rakefile

@@ -0,0 +1,15 @@
+require 'rake'
+require 'rspec/core/rake_task'
+
+task :default => :test
+
+desc 'Run specs'
+RSpec::Core::RakeTask.new(:spec) do |t|
+  t.pattern = Dir.glob('spec/**/*_spec.rb')
+  t.rspec_opts = '--format documentation'
+  t.rspec_opts << ' --color'
+end
+
+task :test => [
+  :spec,
+]