Delayed                 Delayed class that manages dependencies and
                        computes when necessary
FutureJob               Future Delayed Jobs
Scheduler               Scheduler class that orders compute tasks and
                        dispatches tasks to workers
SequentialJob           Sequential Delayed Jobs
delayed                 Generates Delayed Version of an Expression
find_delayed_error      Find error in delayed chain
plot.Delayed            Plot Method for Delayed Objects
plot_delayed_shiny      Animated Representation a Task Dependency
                        Structure
