[chirp_users] Add RepeaterBook direct query support

[Dan Smith]

> When I tried it with Texas, I got an error box that says "list
> assignment index out of range on line 1001" Probably due to too many
> repeaters listed.

Yep, exactly.  That's already fixed for tomorrow :)

> Any chance of making it so you can select an area with in a state? (IE
> north, south, county, city and radius)

Well, I haven't looked at all the fields he has, but there are other 
filters, such as by band that I will add support for, yeah.

Thanks for the report!

-- 
Dan Smith
www.danplanet.com
KK7DS