+ interface Nucl.Multitask.Job         // Abstract job
+ class     Nucl.Multitask.JobQueue    // Queue of jobs with n concurrent processors
+ delegate  Nucl.Multitask.JobCallback
Revert "+ interface Nucl.Multitask.Job         // Abstract job"

This reverts commit 05c7b2b71f42ae0eb19afdfde9098d582b96528c.