Gemfile.devtools in hexp-0.0.1 vs Gemfile.devtools in hexp-0.2.0

@@ -1,24 +1,25 @@
 # encoding: utf-8
 
 group :development do
-  gem 'rake',  '~> 10.0.4'
-  gem 'rspec', '~> 2.13.0'
-  gem 'yard',  '~> 0.8.6.1'
+  gem 'rake',  '~> 10.1.0'
+  gem 'rspec', '~> 2.14.0'
+  gem 'yard',  '~> 0.8.6.2'
 end
 
 group :yard do
-  gem 'kramdown', '~> 1.0.1'
+  gem 'kramdown', '~> 1.1.0'
 end
 
 group :guard do
-  gem 'guard',         '~> 1.8.0'
+  gem 'guard',         '~> 1.8.1'
   gem 'guard-bundler', '~> 1.0.0'
-  gem 'guard-rspec',   '~> 2.5.4'
+  gem 'guard-rspec',   '~> 3.0.2'
+  gem 'guard-rubocop', '~> 0.2.0'
 
   # file system change event handling
-  gem 'listen',     '~> 1.0.2'
+  gem 'listen',     '~> 1.2.2'
   gem 'rb-fchange', '~> 0.0.6', :require => false
   gem 'rb-fsevent', '~> 0.9.3', :require => false
   gem 'rb-inotify', '~> 0.9.0', :require => false
 
   # notification handling
@@ -26,23 +27,24 @@
   gem 'rb-notifu',               '~> 0.0.4', :require => false
   gem 'terminal-notifier-guard', '~> 1.5.3', :require => false
 end
 
 group :metrics do
-  gem 'backports',       '~> 3.3', '>= 3.3.0'
-  gem 'coveralls',       '~> 0.6.6'
-  gem 'flay',            '~> 2.2.0'
-  gem 'flog',            '~> 4.0.0'
-  gem 'reek',            '~> 1.3.1', :git => 'https://github.com/troessner/reek.git'
-  gem 'simplecov',       '~> 0.7.1'
-  gem 'yardstick',       '~> 0.9.6'
+  gem 'coveralls', '~> 0.6.7'
+  gem 'flay',      '~> 2.3.0'
+  gem 'flog',      '~> 4.1.0'
+  gem 'reek',      github: 'troessner/reek'
+  gem 'rubocop',   '~> 0.9.1'
+  gem 'simplecov', github: 'colszowka/simplecov'
+  gem 'yardstick', '~> 0.9.6'
 
-  platforms :ruby_19 do
+  platforms :ruby_19, :ruby_20 do
+    #gem 'mutant',          '~> 0.3.0.beta13'
     gem 'yard-spellcheck', '~> 0.1.5'
   end
 
-  platforms :mri_19, :rbx do
-    gem 'mutant', '~> 0.2.20'
+  platforms :ruby_19 do
+    gem 'json', '~> 1.8.0'
   end
 
   platforms :rbx do
     gem 'pelusa', '~> 0.2.2'
   end