creates unique url (by appending numbers, if necessary)
creates unique url (by appending numbers, if necessary)

RandomlyKnighted/hntsvll,RandomlyKnighted/hntsvll,RandomlyKnighted/hntsvll,OpenHuntsville/hntsvll,RandomlyKnighted/hntsvll,OpenHuntsville/hntsvll,OpenHuntsville/hntsvll,RandomlyKnighted/hntsvll,OpenHuntsville/hntsvll,RandomlyKnighted/hntsvll,OpenHuntsville/hntsvll,OpenHuntsville/hntsvll