changeling 0.1.1
A simple, yet flexible solution to tracking changes made to objects in your database.
          Gemfile:
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          安装:
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      Runtime 依赖 (2):
            activemodel
            >= 0
          
          
            tire
            ~> 0.5.3
          
    Development 依赖 (12):
            activerecord
            = 3.1.3
          
          
            bson_ext
            >= 0
          
          
            database_cleaner
            >= 0
          
          
            mongoid
            = 2.4.1
          
          
            rails
            >= 0
          
          
            rake
            >= 0
          
          
            resque
            >= 0
          
          
            rspec
            >= 0
          
          
            rspec-rails
            >= 0
          
          
            ruby-debug19
            >= 0
          
          
            sidekiq
            >= 0
          
          
            sqlite3
            >= 0
          
    