Changes to support CharacterID and AccountID queries and searches,
as well as using CharacterId and AccountID internally, primarily.
Note that the map will need to be pre-populated with data about name->id mappings,
as that's the only way to prevent bans and the like from being properly recovered when
the systems are swapped with one another...

Various fixes to some SYS messages,
Changes to RLL to allow for easier "To:" targeting using the "channel" parameter in the JSON payload