4.2.gemfile in deep_cloneable-2.1.1

- old
+ new

@@ -2,9 +2,10 @@
 
 source "http://rubygems.org"
 
 gem "activerecord", "~> 4.2.0"
 gem "i18n", "~> 0.7.0"
+gem "highline", "~> 1.6.0", :group => :test
 gem "minitest", :group => :test
 gem "appraisal", :group => :test
 gem "sqlite3", :group => :test
 gem "rdoc", ">= 2.4.2", :group => :test
 gem "nokogiri", "~> 1.5.0", :group => :test