[dev] Permissions inheritance

[Richard Wallace]

Jan Schneider wrote:
> Or take the IDs from getParents and feed them to getObjects(). If I'm not
> wrong this should be two queries only.

Oh sweet!  That'll work perfectly, thanks!  The only question I have 
then is whether I need to tell the getObjects() method to use the 
DataTreeObject_Permission class or if it will find it in the attributes 
table.  I assume it will figure it out, but I'll try it and see.

Thanks again,
Rich