.rubocop.yml in redfish_client-0.1.0 vs .rubocop.yml in redfish_client-0.2.0

@@ -1,6 +1,7 @@
 AllCops:
+  TargetRubyVersion: 2.3
   Exclude:
     - redfish_client.gemspec
     - Gemfile
     - Rakefile
     - bin/**
@@ -11,9 +12,12 @@
 Style/Documentation:
   Enabled: false
 
 Style/BracesAroundHashParameters:
   EnforcedStyle: context_dependent
+
+Metrics/AbcSize:
+  Max: 20
 
 Metrics/BlockLength:
   Exclude:
     - spec/**/*.rb