Rakefile in ej-0.0.9 vs Rakefile in ej-0.0.10

@@ -1,26 +1,53 @@
+# encoding: utf-8
 require "bundler/gem_tasks"
+require 'rake'
+
+begin
+  gem 'rubygems-tasks', '~> 0.2'
+  require 'rubygems/tasks'
+
+  Gem::Tasks.new
+rescue LoadError => e
+  warn e.message
+  warn "Run `gem install rubygems-tasks` to install Gem::Tasks."
+end
+
+begin
+  gem 'rspec', '~> 2.4'
+  require 'rspec/core/rake_task'
+
+  RSpec::Core::RakeTask.new
+rescue LoadError => e
+  task :spec do
+    abort "Please run `gem install rspec` to install RSpec."
+  end
+end
+
+task :test    => :spec
+task :default => :spec
+