TA 5.397

Fixed: Relation ray data synchronization via tool think hook
Fixed: Relation ray can now be cleared from the client
Fixed: Relation ray is cleared when working mode is changed
Changed: Drawing relation ray now uses existance of relation ray inserted /drwrelate/
Removed: Variable /drwrelate/ as it is not needed anymore
Added: Drawing intersection pillar when the user wants to snap too high at the top or too low at the bottom