Revised the Message module.
Revised the Process module documentation.
Revised the RequestQueue module documentation.
Revised the Supervisor (and friends) module documentation.
Tweaked the way that some things were generally worded.
Revised Worker module documentation.
Removed more redundant wording.
Tweaked the doc for MessageForSupervisorReceivers.
Revised Workgroup module documentation.
Revised ExplorationMode module documentation.
WorkerFinalProgressFor --> WorkerFinishedProgressFor
Revised Main module documentation.
Revised the Purity module documentation.
Revised the Path module documentation.
Revised the Handle module documentation.
Fixed typo in the IntSum and WordSum module docs.
Revised the PerfectTree module documentation.
Fixed typo in the Word_ module documentation.
Revised the Workload module documentation.