# 0.0.4

* Simpler tracing with `Stack`.
* Added `Context`.
* Simplified `Circuit#call`.

# 0.0.3

* Make the first argument to `#Activity` (`@name`) always a Hash where `:id` is a reserved key for the name of the circuit.

# 0.0.2

* Make `flow_options` an immutable data structure just as `options`. It now needs to be returned from a `#call`.

# 0.0.1

* First release into an unsuspecting world. 🚀