Gemfile in lightio-0.2.2 vs Gemfile in lightio-0.3.0

@@ -3,9 +3,15 @@
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in lightio.gemspec
 gemspec
 
+group :development do
+  gem 'guard'
+  gem 'guard-rspec'
+  gem 'guard-bundler'
+end
+
 group :test do
   gem 'coveralls', require: false
 end