Adding setter module method for the 'serializer' config option to PaperTrail module.

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 2.7.1 (Unreleased)
 
+  - Added `setter` method for the `serializer` config option.
+
 ## 2.7.0
 
   - [#183](https://github.com/airblade/paper_trail/pull/183) - Fully qualify the `Version` class to help prevent

lib/paper_trail.rb

@@ -69,6 +69,11 @@ module PaperTrail
     paper_trail_store[:controller_info] = value
   end
 
+  # Getter and Setter for PaperTrail Serializer
+  def self.serializer=(value)
+    PaperTrail.config.serializer = value
+  end
+
   def self.serializer
     PaperTrail.config.serializer
   end