Add master status get/update. Fix Master_Get_By_Name to return a master, rather than just its metadata
Move header set out of initialize. It was breaking when there were multiple requests.
Add Master_Preview and associated tests
Add Subscriber_Get_Id and associated tests
Merge pull request #8 from PopSugar/cp-fix-for-tests

Add master status get/update. Fix Master_Get_By_Name to return a master,...