Gemfile in wisper-async-0.0.1 vs Gemfile in wisper-async-0.1.0

@@ -1,3 +1,9 @@
 source 'https://rubygems.org'
 
 gemspec
+
+gem 'rubysl', '~> 2.0', :platforms => :rbx
+
+group :metrics do
+  gem 'simplecov'
+end