aps a set of string keys to a set of arbitrary
DOH objects.  The DOH version of an associative array for all of you Perl fans.

<p>
<li><b>File</b>. A DOH wrapper around the C FILE * structure.  This is provided
since other objects sometimes want to behave like files (strings for instance).

<p>
<li><b>Void</b>. A DOH wrapper around an arbitrary C pointer.  This can be used
if you want to place arbitrary C data structures in DOH lists and hash tables.
</ul>

Due to dynamic typing, all of the objects in DOH 