README.markdown in extend_at-0.1.5 vs README.markdown in extend_at-0.2.0

@@ -1,12 +1,12 @@
 # Extend at
 
 This gem allows you to extend models without migrations: This way you can, i.e., develop your own content types, like in Drupal.
 
-## NOTE:
+## Status:
 
-Incompatible with previous versions.
+[![Build Status](https://secure.travis-ci.org/anga/extend_at.png)](http://travis-ci.org/anga/extend_at)
 
 ## Installation
 
 <code>gem install extend_at</code>
 
@@ -114,12 +114,10 @@
 * Time: <code>:timestamp</code>
 * Date: <code>:datetime</code>
 
 Else, return <code>:any</code>
 
-You can use any class, but if you need use boolean values, you must use :boolean.
-
 #### Set default value
 
     class User < ActiveRecord::Base
       extend_at :extra, :columns => {
         :private_photos => {
@@ -157,10 +155,11 @@
         Description.where(:user_id => self.id).default
       end
     end
 
 #### Set validation
+
     class User < ActiveRecord::Base
       extend_at :extra, :columns => {
         :private_photos => {
           :type => :boolean,
           :default => true
@@ -213,10 +212,25 @@
       def must_not_use_strong_language(desc)
         errors.add :cofig_profile_description, "You must not use strong language" if desc =~ /(#{STRONG_WORD.join('|')})/
       end
     end
 
+### Static columns
+
+If you like to restrict the existent extended columns, you should use <code>:static => true</code>
+
+    class User < ActiveRecord::Base
+      extend_at :extra, :columns => {
+        :private_photos => {
+          :type => :boolean,
+          :default => true
+        }
+      }, :static => true
+    end
+
+Now, <code>User.extra</code> only accept <code>private_photos</code> column
+
 ### Scopes
 
 You can use scope like:
 
     User.extra_last_loggin_gt_eq(1.week.ago).extra_age_gt_eq(18).where(:column => "value").all
@@ -284,13 +298,8 @@
 
 ## Bugs, recomendation, etc
 
 If you found a bug, create an issue. If you have a recomendation, idea, etc., create a request or fork the project.
 
-## TODO:
-
-* RSpec test
-* Support static columns
-
 ## License
 
-This gem is under MIT license.
\ No newline at end of file
+This gem is under MIT license.