idlist64: Make API more compatible to previous versions.
Especially make GWEN_IdList64_new() parameterless, because that isneeded when using idlist64 in typemaker2.
Decreased verbosity.
idlist64: Make API more compatible to previous versions.
Especially make GWEN_IdList64_new() parameterless, because that is
needed when using idlist64 in typemaker2.
Decreased verbosity.