Log Message:
py-pendulum: updated to 1.3.1

1.3.1:
Fixed inaccuracy of in_days() method on DST transitions.
Fixed seconds inaccuracy for past datetimes.

1.3.0:
Added support for the alternative formatter's tokens in from_format().
Added a timezones module attribute to expose available timezones.
Added the exact keyword to parse() which behaves exactly like strict.
Dropped support for Python 3.2 and 3.3.
The classic formatter in from_format() is now deprecated.
Fixed th locale.