Add db:clone functionality
Add db:clone functionality

Closes #39
Depends on aptible/sweetness@07d22401887617f1c32cfa17c592ec9f33bbe39c
Depends on aptible/api.aptible.com#83

blakepettersson/aptible-cli,blakepettersson/aptible-cli,fancyremarker/aptible-cli,aptible/aptible-cli,aptible/aptible-cli