Some minor syntax tweaks, updated CHANGELOG.

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 2.7.1 (Unreleased)
 
+  - [#189](https://github.com/airblade/paper_trail/pull/189) - Provided support for a `configure` block initializer.
   - Added `setter` method for the `serializer` config option.
 
 ## 2.7.0

lib/paper_trail.rb

@@ -90,7 +90,7 @@ module PaperTrail
   def self.config
     @@config ||= PaperTrail::Config.instance
   end
-  
+
   def self.configure
     yield config
   end

lib/paper_trail/version.rb

@@ -82,7 +82,7 @@ class Version < ActiveRecord::Base
         model.class.unserialize_attributes_for_paper_trail attrs
         attrs.each do |k, v|
           if model.respond_to?("#{k}=")
-            model[k] = v
+            model[k.to_sym] = v
           else
             logger.warn "Attribute #{k} does not exist on #{item_type} (Version id: #{id})."
           end

test/unit/serializer_test.rb

@@ -31,10 +31,9 @@ class SerializerTest < ActiveSupport::TestCase
 
 
       # Check values are stored as YAML.
-      hash = {"widget_id" => nil,"name" =>"Some text.","id" =>1}
+      hash = {"widget_id" => nil, "name" => "Some text.", "id" => 1}
       assert_equal YAML.dump(hash), @fluxor.versions[1].object
       assert_equal hash, YAML.load(@fluxor.versions[1].object)
-
     end
   end