Added data types to the readme.

README.textile

@@ -22,19 +22,19 @@ new Accordion('anotherId', options);</pre>
 
 h2. Options
 
-|_.Option|_.Default Value|_.Description|
-|cancelEvent|true|When the title element is clicked, if this option is set to true, will cancel the event, therefore preventing the anchor to load a new page or modify the address bar.|
-|classNames|{ section: 'section', title: 'title', toggle: 'toggle', expanded: 'expanded' }|Allows you to use custom CSS class names to describe the elements used.|
-|mutuallyExclusive|true|If this is set to false, multiple sections can be visible at the same time.|
-|effectDuration| .3|The duration of the underlying BlindUp/BlindDown Scriptaculous effects.|
+|_.Option|_.Type|_.Default Value|_.Description|
+|cancelEvent|Boolean|true|When the title element is clicked, if this option is set to true, will cancel the event, therefore preventing the anchor to load a new page or modify the address bar.|
+|classNames|Object|{ section: 'section', title: 'title', toggle: 'toggle', expanded: 'expanded' }|Allows you to use custom CSS class names to describe the elements used.|
+|mutuallyExclusive|Boolean|true|If this is set to false, multiple sections can be visible at the same time.|
+|effectDuration|Number| .3|The duration of the underlying BlindUp/BlindDown Scriptaculous effects.|
 
 h4. Options: classNames
 
-|_.Name|_.Default Value_.Description|
-|section|'section'|A CSS class on the element that contains the title and the toggle element.|
-|title|'title'|A CSS class on the element that is clicked to show or hide sections.|
-|toggle|'toggle'|A CSS class on the element that is to be shown or hidden when the title element is clicked.|
-|expanded|'expanded'|A CSS class that is on the section element when the section is expanded.|
+|_.Name|_.Type|_.Default Value|_.Description|
+|section|String|'section'|A CSS class on the element that contains the title and the toggle element.|
+|title|String|'title'|A CSS class on the element that is clicked to show or hide sections.|
+|toggle|String|'toggle'|A CSS class on the element that is to be shown or hidden when the title element is clicked.|
+|expanded|String|'expanded'|A CSS class that is on the section element when the section is expanded.|
 
 
 h2. Custom Events