Gemfile in redis_cluster-0.2.9 vs Gemfile in redis_cluster-0.3.0

@@ -1,4 +1,12 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in redis_cluster.gemspec
 gemspec
+
+group :development do
+  platforms :mri do
+    if RUBY_VERSION >= "2.0.0"
+      gem "pry-byebug"
+    end
+  end
+end