MODULES-1606 add ability to pass array to delete for items to delete
Merge pull request #392 from cyberious/MOD-1606

MODULES-1606 add ability to pass array to delete for items to delete
Update docs to reflect new behavior of delete function taking array in second argument
Merge pull request #393 from cyberious/DeleteDocUpdates

Update docs to reflect new behavior of delete function taking array in second argument