[FIXED] /WRename stores non-existing name in '-'

[Hellenion]

When using WRename, the first parameter is a (partial) name of the to-be renamed world, the second parameter is the new name of that world.
The name selected by the first parameter will no longer exist after WRename, since the world was renamed, yet that name is stored in the '-'.

'-' will now point to a nonexistent world, and cannot be used, not even to create a new world, since new names do not resolve '-', and take it as a literal minus.


'-' should instead point to the new name of the world, this will allow for further operation on the world that's being worked with, which is what '-' was designed for.

[fragmer]

Fixed internally (branch-0.70x). Thanks for reporting!