diff --git a/app/models/merged/active_base.rb b/app/models/merged/active_base.rb
index ad79422..b95dc94 100644
--- a/app/models/merged/active_base.rb
+++ b/app/models/merged/active_base.rb
@@ -2,11 +2,20 @@ module Merged
   class ActiveBase < ActiveYaml::Base
 
     def save
+      ChangeSet.edit(self.class.name , self.change_name)
       super
       self.class.save_all
     end
 
+    def add_save
+      ChangeSet.add(self.class.name , self.change_name)
+      super.save()
+      self.class.save_all
+    end
+
+
     def delete
+      ChangeSet.delete(self.class.name , self.change_name)
       self.class.delete(self.id)
     end
 
diff --git a/app/models/merged/card.rb b/app/models/merged/card.rb
index 7740be4..079d666 100644
--- a/app/models/merged/card.rb
+++ b/app/models/merged/card.rb
@@ -11,6 +11,11 @@ module Merged
       swap_index_with(next_card)
     end
 
+    def change_name
+      pagename = section ? section.page.name : section_id.to_s
+      "#{pagename}:#{header}"
+    end
+
     def move_down
       swap_index_with(previous_card)
     end
diff --git a/app/models/merged/change_set.rb b/app/models/merged/change_set.rb
new file mode 100644
index 0000000..0cddf0d
--- /dev/null
+++ b/app/models/merged/change_set.rb
@@ -0,0 +1,37 @@
+module Merged
+  module ChangeSet
+    @@adds = []
+    @@edits = []
+    @@deletes = []
+
+    mattr_accessor :adds , :edits , :deletes
+
+    def self.add( type , text)
+      @@adds << [typed(type) , text ]
+    end
+
+    def self.edit( type , text)
+      @@edits << [typed(type) , text ]
+    end
+    def self.delete( type , text)
+      @@deletes << [typed(type) , text ]
+    end
+
+    def self.added( type )
+      type = type.to_sym
+      @@adds.select { |a| a.first == type }
+    end
+    def self.edited( type )
+      type = type.to_sym
+      @@edits.select { |a| a.first == type }
+    end
+    def self.deleted( type )
+      type = type.to_sym
+      @@deletes.select { |a| a.first == type }
+    end
+
+    def self.typed(class_name)
+      class_name.split("::").last.to_sym
+    end
+  end
+end
diff --git a/app/models/merged/page.rb b/app/models/merged/page.rb
index 94405d3..5305c86 100644
--- a/app/models/merged/page.rb
+++ b/app/models/merged/page.rb
@@ -5,6 +5,10 @@ module Merged
 
     alias :template :type
 
+    def change_name
+      self.name
+    end
+
     def add_redirect
       olds = self.redirects.to_s.split(" ")
       olds << self.name unless olds.include?(self.name)
diff --git a/app/models/merged/section.rb b/app/models/merged/section.rb
index 516b54d..7b88396 100644
--- a/app/models/merged/section.rb
+++ b/app/models/merged/section.rb
@@ -7,6 +7,10 @@ module Merged
     fields :template , :card_template
     fields :header, :text , :image_name
 
+    def change_name
+      "#{page.name}:#{header}"
+    end
+
     def cards
       Card.where(section_id: id).order(index: :asc)
     end
@@ -72,7 +76,7 @@ module Merged
     def delete( reindex = true )
       has_cards = cards.length
       cards.each {|card| card.delete(false) }
-      Section.delete( self.id )
+      super()
       page.reset_index if reindex
       has_cards
     end
diff --git a/test/models/card_test.rb b/test/models/card_test.rb
index b302b2a..f001350 100644
--- a/test/models/card_test.rb
+++ b/test/models/card_test.rb
@@ -28,6 +28,9 @@ module Merged
       assert_equal card.index ,  1
     end
 
+    def test_change_name
+      assert_equal "studios:Standard" , first.change_name
+    end
 
   end
 end
diff --git a/test/models/page_test.rb b/test/models/page_test.rb
index 56062b2..f9fbd07 100644
--- a/test/models/page_test.rb
+++ b/test/models/page_test.rb
@@ -34,5 +34,9 @@ module Merged
         assert_equal section.index ,  index + 1 # because we have human index
       end
     end
+    def test_change_name
+      assert_equal "index" , index.change_name
+    end
+
   end
 end
diff --git a/test/models/section_test.rb b/test/models/section_test.rb
index 3c657f6..9c86c79 100644
--- a/test/models/section_test.rb
+++ b/test/models/section_test.rb
@@ -42,5 +42,8 @@ module Merged
     def test_last_has_no_next
       assert_nil last.next_section
     end
+    def test_change_name
+      assert_equal "studios:Studios" , first.change_name
+    end
   end
 end