When will Member Directory be available for Single Sites? And why...?

Hello,

When will Member Directory be available for Single Sites?

And I know I shouldn't ask but--why was it designed only for multisites?

I have a real for real use for a member directory with opti-in/out capabilities on a single site.

I'd rather not make it a multisite just to get this plugin.

I've got a great business directory plugin (unfortunately not from WPMUDEV--I had to buy premium), which allows me to sell and upsell listings--kinda something all directories should have by default (hint hint

Chris