.rubocop.yml in mailerlite-1.1.0 vs .rubocop.yml in mailerlite-1.2.0

@@ -1,6 +1,7 @@
 AllCops:
+  TargetRubyVersion: 2.0
   Include:
     - '**/Rakefile'
     - '**/Gemfile'
 
 Style/Documentation:
@@ -26,9 +27,13 @@
   Enabled: true
   EnforcedStyleAlignWith: variable
 
 Style/FrozenStringLiteralComment:
   Enabled: false
+
+Style/DoubleNegation:
+  Exclude:
+    - 'lib/mailerlite/utils.rb'
 
 Metrics/BlockLength:
   ExcludedMethods:
     - 'describe'