Bump rubocop

Author: etehtsea

.rubocop_todo.yml

@@ -1,5 +1,5 @@
 # This configuration was generated by `rubocop --auto-gen-config`
-# on 2015-03-22 20:12:08 -0300 using RuboCop version 0.28.0.
+# on 2015-05-21 22:47:03 +0700 using RuboCop version 0.31.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -12,13 +12,13 @@ Metrics/AbcSize:
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 337
+  Max: 328
 
 # Offense count: 5
 Metrics/CyclomaticComplexity:
   Max: 17
 
-# Offense count: 175
+# Offense count: 176
 # Configuration parameters: AllowURI, URISchemes.
 Metrics/LineLength:
   Max: 146

Gemfile

@@ -12,5 +12,5 @@ group :development, :test do
   gem 'json'
   gem 'rspec'
   gem 'rack-test', '~> 0.6.2', require: 'rack/test'
-  gem 'rubocop', '0.28.0'
+  gem 'rubocop', '0.31.0'
 end

lib/grape_entity/entity.rb

@@ -433,7 +433,8 @@ def presented
     end
 
     def initialize(object, options = {})
-      @object, @options = object, options
+      @object = object
+      @options = options
     end
 
     def exposures