New will retrieve the queue if the path already exists, or else create a new queue and register it.

nolint:ireturn.

MasterQ has two tasks: first, it's a repository of registered task instances; second, it's the primary interface to the file system saving and retrieving of task execution instances.

TaskInstance represents a unique task and is represented on a file system as a directory that contains at least a single json file with that task's execution arguments.

TaskExecutor interface is what must be implemented for loq to register and execute a defined task.