Changed 'aggregate' top-level to 'latest'

Also prevented user from filtering by double-underscore functions

Author: SeanCena

README.md

@@ -87,7 +87,7 @@ GET /v2/locations
 }
 ```
 
-Additionally, you can also filter by country ([alpha-2 country_code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2)).
+Additionally, you can also filter by any attribute, including province and country ([alpha-2 country_code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2)).
 ```http
 GET /v2/locations?country_code=US
 ```

app/routes/v2/locations.py

@@ -13,15 +13,15 @@ def locations():
 
     # Filtering by args if provided.
     for i in args:
-        if i != 'timelines':
+        if i != 'timelines' and i[:2] != '__':
             try:
                 locations = [j for j in locations if getattr(j, i) == args.get(i, type=str)]
             except AttributeError:
                 print('TimelinedLocation object does not have attribute {}.'.format(i))
 
     # Serialize each location and return.
     return jsonify({
-        'aggregate': {
+        'latest': {
             'confirmed': sum(map(lambda location: location.confirmed, locations)),
             'deaths'   : sum(map(lambda location: location.deaths, locations)),
             'recovered': sum(map(lambda location: location.recovered, locations)),