Build me a Zapier app

I need a custom app built for an email management system called Mumara... here are the API docs: [login to view URL] I need this custom app to be similar to the AWeber app on Zapier: [login to view URL] **REQUIRED TRIGGERS** 1) "New Subscriber" - Triggers when a new subscriber is added to a list. **REQUIRED ACTIONS** 1) "Find or Create new Email Subscriber" - Find a subscriber by email or name. Optionally, create one if none are found. 2) "Unsubscribe Email from a List" - Unsubscribes an email address from a list of your choosing.