Raul

Add lookup endpoint for Nominatim geocoder

3

Added new api call (lookup) to be able to retrieve Location objects using the osm_id and osm_type.

FIX: Wget missing dependency

3

Wget is not declared inside `setup.py >> install_requires` but is declared inside `requirements.txt`, so read the dependencies from `requirements.txt` file.

Be able to accept callable proxies, that change for each request

3

### Description of your *pull request* and other information I have a list of proxies that should change for each request (rotating proxies, based on a random session number or...