v0.4.0: Merge pull request #61 from darrenstahlmsft/RemoveOldAPI

Deleting old API in preparation for v0.4.0

v0.3.5: Merge pull request #51 from Microsoft/ContainerAlreadyStoppedError

Added known error code when shutdown is already complete

v0.3.4: Merge pull request #49 from Microsoft/CallbackLock

Prevent deadlock when unregistering notification handler

v0.3.3: Merge pull request #48 from Microsoft/PendingUpdates

Fixed PendingUpdates call with correct query

v0.3.2: Merge pull request #47 from Microsoft/credentials

Added credentials to ContainerConfig

v0.3.1: Merge pull request #42 from Microsoft/NotificationWaiter

New notification design allows for multiple waiters

v0.3.0: Merge pull request #39 from Microsoft/postTP5

Implement the new hcsshim API using the new HCS RPC API