Gemfile in wisper-1.4.0 vs Gemfile in wisper-1.5.0

@@ -2,15 +2,13 @@
 
 gemspec
 
 gem 'rubysl', '~> 2.0', :platforms => :rbx
 
+gem 'rake',  '~> 10.3.0'
+gem 'rspec', '~> 3.0.0'
 gem 'coveralls', require: false
 
-group :metrics do
+group :extras do
   gem 'flay'
-end
-
-group :development do
-  gem 'rake',  '~> 10.3.0'
-  gem 'rspec', '~> 3.0.0'
+  gem 'pry'
 end