More minor issues

list.formatted did not handle players correctly,
dObject meta for players outdated,
backslashes should be escaped,
backslashes were mishandled in TagManager
Add and fix Duration tags, fixes #748

- Hours was doubling the value
- days/weeks both added
Better list debugging

Calling .toString() on a list is... wrong. This is the start of properly
debugging lists, including better player debugging (debug by name, not
UUID, for sanity's sake)
Merge pull request #749 from mcmonkey4eva/master

Pull request for addition of our very own DOPPLER RADAR!