* Make the verbose flag do something (sets stderr logging to DEBUG)
* Coalesce potentially NULL values to 0 in db stats
* Cast the stats reset time difference to float since the python json
library can't serialize a Decimal type.
* Using $0 psases the entire command, so just pass all 9 possible
positioinal values.
* Allow empty arguments.
* Update sample config:
** Use a socket by default.
** Return a set with database discovery to be able to assign a macro.
