References

summary
public	F error(type: String): ActionCreator Given a type, return a function that will pass it's argument as an error.
public	F noop(type: String): ActionCreator Don't pass any information, just pass the type to the reducer.
public	F payload(type: String): ActionCreator Given a type, create a function that accepts a payload and passes that with the given type.
public	F thunk(type: String, prom: Promise): ActionCreator given a type and a promise creator, return an action creator that will accept the arguments to the promise, and on resolve, return a action.payload funciton.
public	F addError(state: , action: ) adds an error to the `errors` list of a piece of state
public	F asyncEnd(prop: String): Reduction Given a prop, set the async start flag to false
public	F asyncStart(prop: String): Reduction Given a prop, set the async start flag to true
public	F byType(init: State, typeObj: ReductionMap): Reducer Create a reducer with an initial state, and a reduction map (from type to reduction)
public	F clearErrors(state: *) resets the `errors` object back to the empty list.
public	F compose(reductions: ...Reduction): Reduction given multiple reductions, combine them into a single reduction
public	F merge(state: State, action: Action): Reduction Given a state and an action, merge the action's payload into the state.
public	F overwrite(prop: String): Reduction given a prop, set the action's payload prop at state.prop