README.md in mongoid_search-0.1.2 vs README.md in mongoid_search-0.2.0

@@ -22,21 +22,29 @@
       include Mongoid::Search
       field :brand
       field :name
 
       references_many :tags
+      refereced_in    :category
       
-      search_in :brand, :name, :tags => :name
+      search_in :brand, :name, :tags => :name, :category => :name
     end
 
     class Tag
       include Mongoid::Document
       field :name
 
       referenced_in :product
     end
+    
+    class Category
+      include Mongoid::Document
+      field :name
 
+      references_many :products
+    end
+
 Now when you save a product, you get a _keywords field automatically:
     
     p = Product.new :brand => "Apple", :name => "iPhone"
     p.tags << Tag.new(:name => "Amazing")
     p.tags << Tag.new(:name => "Awesome")
@@ -56,19 +64,37 @@
     => 1
     
 Options
 -------
 
-:match:
-  :any - match any occurrence
-  :all - match all ocurrences 
-  Default is :any.
+match:  
+  _:any_ - match any occurrence  
+  _:all_ - match all ocurrences  
+  Default is _:any_.
 
     search_in :brand, :name, { :tags => :name }, { :match => :any }
     
     Product.search("apple motorola").size
     => 1
 
     search_in :brand, :name, { :tags => :name }, { :match => :all }
     
     Product.search("apple motorola").size
     => 0
+    
+allow_empty_search:  
+  _true_ - match any occurrence  
+  _false_ - match all ocurrences  
+  Default is _false_.
+
+    search_in :brand, :name, { :tags => :name }, { :allow_empty_search => true }
+    
+    Product.search("").size
+    => 1
+    
+TODO
+----
+
+* Strip html with sanitize (https://github.com/rgrove/sanitize)
+* Test relevant search
+* Move all configurations to a configuration file. Maybe /config/mongoid_search.yml.
+