Yikes!

githubReleaseDownloader.py

import json, os, requests

cwd = os.getcwd()

try:
   input = raw_input
except NameError:
   pass

raw = input("Please insert the landing page of the repo e.g. https://github.com/gorhill/uBlock \n>")

fixed = raw.replace("https://github.com/", "")

headers = requests.utils.default_headers()
headers.update(
    {
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36',
    }
)

uBlock = requests.get('https://api.github.com/repos/'+fixed+'/releases/latest', headers=headers)
jsonVer = uBlock.content
jsonLoad = json.loads(jsonVer)

downloadLink = jsonLoad['assets'][0]['browser_download_url']      
download = requests.get(downloadLink, allow_redirects=True)

slashLoc = downloadLink.rfind('/')
fileName = downloadLink[slashLoc+1:]

open(fileName,'wb').write(download.content)