Kazan v0.10.0

Breaking Changes

• Watch operations now return a Watcher.Event rather than a k8s WatchEvent
  struct.
• Watcher.Event has atoms for the type instead of strings.
• Added a new gone event type to watchers. Processes listening for events
  should restart a watcher with a new rv when receiving one of these.
• Kazan.Request.create (which is used by most of the API request creation methods
  now returns {:error, term} rather than {:err, term}. This was a bug fix
  as the typespec stated that they returned {:error, term}.

New Features

• We now generate typespecs for all the generated functions &
  structs. This should allow dialyzer users to validate their code
  and improves the documentation.

Bug Fixes

• Fixed an issue where watchers would crash repeatedly if the underlying k8s
  watch rv became invalid somehow. (#45)