Gemfile in sinatra-exstatic-assets-2.0.4 vs Gemfile in sinatra-exstatic-assets-3.0.0

@@ -16,13 +16,14 @@
   gem "rack-test-accepts", :require => "rack/test/accepts"
   gem "timecop"
 end
 
 group :development do
-  gem 'json', '~> 1.7.7'
+  gem 'json', '~> 1.8.3'
   gem "rake"
-  gem "wirble"
-  gem "reek"
+  unless RUBY_ENGINE == 'jruby' || RUBY_ENGINE == "rbx"
+    gem "pry-byebug"
+  end
   gem 'webrick', '~> 1.3.1' # get rid of stupid warnings.
 end
 
 group :documentation do
   gem "yard"
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