added some todo

todo.txt

-- logging
-	* WebTarget
-	* ProfileTarget
-	* Toolbar ?
-- base
-	* error/exception handling
-	* module
-	* application
-	* http exception
-	* security
-- validators
-	* type conversion rules
-	* CompareValidator::clientValidateAttribute(): search for "CHtml::activeId"
-	* FileValidator, UniqueValidator, ExistValidator, DateValidator: TBD
-	* consider merging UniqueValidator and ExistValidator and using a NOT property.
-- console command support
-- built-in console commands
-	+ api doc builder
-		* support for markdown syntax
-		* support for [[name]]
-		* consider to be released as a separate tool for user app docs
-- caching
-	* a way to invalidate/clear cached data
-	* a command to clear cached data
-- db
-	* DAO
-	* schema
-	  * write a guide on creating own schema definitions
-	* AR
-	  * saving related records
-	  * collection support for results
-	* document-based (should allow storage-specific methods additionally to generic ones)
-	  * mongodb
-	* key-value-based (should allow storage-specific methods additionally to generic ones)
-	  * redis
-	  * memcachedb
-- i18n
-	* consider using PHP built-in support and data
-	* message translations, choice format
-	* formatting: number and date
-	* parsing??
-	* make dates/date patterns uniform application-wide including JUI, formats etc.
-- helpers
-	* array
-	* image
-	* string
-	* file
-- web: TBD
-	* get/setFlash() should be moved to session component
-	* support optional parameter in URL patterns
-- gii
-    * move generation API out of gii, provide yiic commands to use it. Use same templates for gii/yiic.
-	* i18n variant of templates
-- markup and HTML helpers
-    * use HTML5 instead of XHTML
-- assets
-    * ability to manage scripts order (store these in a vector?)
-	* http://ryanbigg.com/guides/asset_pipeline.html, use content hash instead of mtime + directory hash.
+- logging
+	* WebTarget
+	* ProfileTarget
+	* Toolbar ?
+- base
+	* error/exception handling
+	* module
+	* application
+	* http exception
+	* security
+- validators
+	* type conversion rules
+	* CompareValidator::clientValidateAttribute(): search for "CHtml::activeId"
+	* FileValidator, UniqueValidator, ExistValidator, DateValidator: TBD
+	* consider merging UniqueValidator and ExistValidator and using a NOT property.
+- console command support
+- built-in console commands
+	+ api doc builder
+		* support for markdown syntax
+		* support for [[name]]
+		* consider to be released as a separate tool for user app docs
+- caching
+	* a way to invalidate/clear cached data
+	* a command to clear cached data
+- db
+	* DAO
+	* schema
+	  * write a guide on creating own schema definitions
+	* AR
+	  * saving related records
+	  * collection support for results
+	* document-based (should allow storage-specific methods additionally to generic ones)
+	  * mongodb
+	* key-value-based (should allow storage-specific methods additionally to generic ones)
+	  * redis
+	  * memcachedb
+- i18n
+	* consider using PHP built-in support and data
+	* message translations, choice format
+	* formatting: number and date
+	* parsing??
+	* make dates/date patterns uniform application-wide including JUI, formats etc.
+- helpers
+	* array
+	* image
+	* string
+	* file
+- web: TBD
+	* get/setFlash() should be moved to session component
+	* support optional parameter in URL patterns
+- gii
+    * move generation API out of gii, provide yiic commands to use it. Use same templates for gii/yiic.
+	* i18n variant of templates
+	* allow to generate module-specific CRUD
+- markup and HTML helpers
+    * use HTML5 instead of XHTML
+- assets
+    * ability to manage scripts order (store these in a vector?)
+	* http://ryanbigg.com/guides/asset_pipeline.html, use content hash instead of mtime + directory hash.
+- collections
+    * http://code.google.com/p/yii/source/detail?r=3428