2.0.0

Converted to python 3.x, dropped 2.x compatibility.

1.6.2

Added support for retrying lambda invocations which fail due to internal errors

1.6.0

Added additional parameters to start_workflow()

1.5.0

Added workflow_time() method that returns a consistent datetime.
Fixed a problem where too large lambda input would cause decider to crash

1.4.1

Fixed problem with invoke_once hanging.

1.4.0

Added timed_wait_for_all and timed_wait_for_any, which raise a WaitTimedOutException if the requested condition isn't satisfied after a given time.
Added invoke_once method, to support invoking a callable only once in a workflow, but propagate the result to other decider instances.

1.3.0

Rewrote the way workflow functions execute, to make replay behavior more consistent.
Added is_replaying property to WorkflowInvocationHelper
Added wait_for_any method, and made wait_for_all return a list of the futures in the order they finished.
Added start_timer method which returns a Future which completes after a given time.