rubocop.yml in yoti-1.3.1 vs rubocop.yml in yoti-1.4.0

@@ -1,34 +1,50 @@
 AllCops:
   DisplayCopNames: true
   DisplayStyleGuide: true
-  TargetRubyVersion: 2.1
+  TargetRubyVersion: 2.4
   Exclude:
     - 'examples/rails/config/**/*'
+    - 'lib/yoti/protobuf/attrpubapi/*'
+    - 'lib/yoti/protobuf/compubapi/*'
 
 Metrics/AbcSize:
   Max: 23
   Exclude:
     - examples/rails/app/controllers/yoti_controller.rb
 
 Metrics/BlockLength:
   Exclude:
     - spec/**/**/*.rb
+    - yoti.gemspec
 
 Metrics/CyclomaticComplexity:
   Max: 9
 
 Metrics/LineLength:
   Enabled: false
 
 Metrics/MethodLength:
   CountComments: false
   Max: 19
+  Exclude:
+    - spec/yoti/data_type/multi_value_spec.rb
 
 Style/Documentation:
   Enabled: false
 
 Style/FrozenStringLiteralComment:
   Enabled: false
 
 Style/NumericLiterals:
   Enabled: false
+
+Style/MutableConstant:
+  Enabled: false
+
+Naming/MethodName:
+  Exclude:
+    - lib/yoti/util/anchor_processor.rb
+
+Naming/PredicateName:
+  Exclude:
+    - lib/yoti/util/age_processor.rb