Gemfile in newrelic_rpm-3.8.1.221

- old
+ new

@@ -14,5 +14,7 @@
   gem "psych"
   gem "racc"  # https://github.com/rubinius/rubinius/issues/2632
 end
 
 gem "newrelic_rpm", :path => "../../.."
+
+gem 'pry'