Those show the unique ips that visit the forum. I recently changed the calculation for all time to it doesn't count all the ips. Thats why all time shows less than month.
You can reset it by doing.
or if you are using mongodb
Yep. I'm learning it's a lot like motorcycles. If something breaks, start with what you worked on last.
Any chance this might be receiving an update? Is it difficult to update these plugins to 0.6.0?