Gemfile in ruby-nmap-0.10.0 vs Gemfile in ruby-nmap-1.0.0

@@ -1,14 +1,20 @@
 source 'https://rubygems.org'
 
 gemspec
 
+# gem 'command_mapper', '~> 0.3', github: 'postmodern/command_mapper.rb',
+#                                 branch: '0.3.0'
+
 group :development do
   gem 'rake'
-  gem 'rubygems-tasks', '~> 0.2'
-  gem 'rspec',          '~> 3.0'
+  gem 'rubygems-tasks',  '~> 0.2'
+  gem 'rspec',           '~> 3.0'
+  gem 'simplecov',       '~> 0.20'
 
-  gem 'json'
-  gem 'simplecov',      '~> 0.7'
   gem 'kramdown'
-  gem 'yard',           '~> 0.9'
+  gem 'redcarpet',       platform: :mri
+  gem 'yard',            '~> 0.9'
+  gem 'yard-spellcheck', require: false
+
+  gem 'dead_end',        require: false
 end