Log Message:
py-dateparser: updated to 0.7.1

0.7.1:
Features/news:
Added detected language to return value of search_dates()
Performance improvements
Refreshed versions of dependencies

Improvements:
Fixed unpickleable DateTime objects with timezones
Fixed regex pattern to avoid new behaviour of re.split in Python 3.7
Fixed an exception thrown when parsing colons
Fixed tests failing on days with number greater than 30
Fixed ZeroDivisionError exceptions