port access to external functions (loading DLLs). 
 
<LI>All persistent objects should be derived (prototyped) from "persistent" object
and specify word of prototype object in <code>__class__</code> field:

<pre>
my-persistent-object: make persistent [ __class__: 'my-persistent-object ... ]
</pre>

<LI>DyBASE Rebol API supports the following Rebol types: <code>object! integer! decimal! string! block! hash!</code>. Values of string, block and hash types are stored as part of referencing them object.
So if on