Check for existing email and mobile accounts

Imports from niche.com need to check for existing email and mobile accounts as they are not billable.

Add calls to:
- $MailChimp->call("/lists/member-info"
- $MobileCommons->profile
I'm confused, aren't `$this->existingStatus['email']` and `$this->existingStatus['mobile']` numbers that were being incremented?