SyncDelay processes each source Calendar individually instead of grouping them together by Target Calendar before processing.  By handling each calendar individually, I was able to denote a Sync Delay on a per-calendar basis.  The default is whatever the script trigger (howFrequent) is set too, but the Sync Delay can be set to skip syncing on a given run if the Sync Delay hasn't "expired".

Updating this PR to include changes made in v5.8 of master.

Updating PR for changes made in v5.8 release.