Tagged and published v0.8.2
v0.8.0: Tasks can modify sandbox.
Version 0.7.0: Rewrite using closures
Version 0.6.0: WorkflowBackend is an EventEmitter.
Tagged v0.5.1
Version upgrade.
Tagging for v0.4.0
Tagging for v0.3.2
Tagging for v0.3.1
Version 0.3.0