++++++++++++++++++
* Added a CLI option. Original idea for this came from `Marek Wywiał
<https://github.com/onjin/pgextrascli>`_.
* Remove commas from integer output so no additional parsing is needed if
someone wants to store the results.
* Make API more consistent by not raising an exception when the
"pg_stat_statement" module is not installed. Instead a list with a single
namedtuple containing the error message is returned.