Implemented file counts for size/modified/extension groups.
Implemented file counts for size/modified/extension groups.

Also handled remaining paths after EOF is reached.

amekkawi/diskusagereports,maliciamrg/diskusagereports,maliciamrg/diskusagereports,maliciamrg/diskusagereports,maliciamrg/diskusagereports,amekkawi/diskusagereports,amekkawi/diskusagereports