update Changelog

README.md

@@ -19,13 +19,13 @@ If you want to share it with your rails/sinatra/etc app add the below:
 ```ruby
 # Yep, the missing group in most Gemfiles where all utilities should be!
 group :tools do
-  gem 'squasher', '>= 0.3.0'  
+  gem 'squasher', '>= 0.3.0'
   gem 'capistrano'
   gem 'rubocop'
 end
 ```
 
-Don't forget to run `bundle`. 
+Don't forget to run `bundle`.
 
 To integrate `squasher` with your app even more do the below:
 
@@ -77,6 +77,8 @@ It works and was tested on Ruby 2.0+ and Rails 3.1+. It also requires a valid de
 If an old migration inserted data (created ActiveRecord model records) you will lose this code in the squashed migration, **BUT** `squasher` will ask you to leave a tmp database which will have all data that was inserted while migrating. Using this database you could add that data as another migration, or into `config/seed.rb` (the expected place for this stuff).
 
 ## Changelog
+- 0.3.1
+  - fix init migration generation
 - 0.3.0
   - **rails engines support** ([@JakeTheSnake3p0](https://github.com/JakeTheSnake3p0))
   - move messages from JSON file to YAML