Gemfile in chatterbot-2.0.3 vs Gemfile in chatterbot-2.0.4

@@ -1,30 +1,22 @@
 source 'https://rubygems.org'
 
 gemspec
 
-#gem "twitter_oauth"
-#gem "sequel"
+gem 'rake'
+gem 'yard'
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  #gem 'simplecov', :require => false, :group => :test
-
-  #gem "shoulda", ">= 0"
-  #gem "rspec"
-  #gem "rake"
-  #gem "twitter", "~> 4.4.0"
-
-  #gem "watchr"
+  gem 'pry'
 end
 
-gem "pry"
 
-#
-# couple extra gems for testing db connectivity
-#
 group :test do
-  gem "sequel"
-  gem "mysql"
-  gem "sqlite3"
+  gem 'rspec', '~> 3.5.0'
+  gem 'rspec-mocks', '~> 3.5.0'
+  gem 'simplecov', '>= 0'
+  gem 'observr', '>= 0'
 end
+
+