Log Message:
py-faker: updated to 0.8.12

0.8.12:
Fix issue with cx_Freeze.
Add dutch nl_NL bank provider.
Add distrito and freguesia to pt_PT address provider.
Fix unicode issues with the person provider.
Add en_SG person provider.
Add street names to the Ukrainian address provider.
Add de_AT address provider.
Fix credit card prefixes.
Fix capitalization in no_NO address provider.
Fix deprecated syntax for raw strings.
Add latitude and longitude to de_AT address provider.
Fix incorrect value in list of middle name for locale ru_RU.