Fixing issue with current_date since it comes in without a millis count
Including spec with an explicit timezone setting
Add support for postgres interval type as Period

Internally postgres stores (months, days, seconds), for which it may make sense
to use Duration instead.  Unfortunately, it externally presents an interface
that looks more like Period, so this approach makes parsing easier.
Add support for simple negative HMS intervals
Merge pull request #56 from dylex/interval

Add support for postgres interval type as Period
Make sure a LocalDateTime is returned for timestamps without timezones (as the driver documentation states) - fixes #52