debug parse_db_url function

[vespinoza0]

function does not parse url correctly and extract any connection parameters.
https://docs.python.org/3/library/urllib.parse.html#urlparse-result-object

[floptical]

We reviewed this issue to determine if it was fixed with the recent merges. Based on the blame on util.py, the function probably still needs to be looked at, it hasn't been worked on since robert martin made it:

https://github.com/CityOfPhiladelphia/geopetl/blame/master/geopetl/util.py