Fixing: You've exceeded your quota. Continue tomorrow... 

by adding PREF cookie.

Test: 

from pyGoogleTrendsCsvDownloader import pyGoogleTrendsCsvDownloader

r = pyGoogleTrendsCsvDownloader(login, password)

for i in range(500):
    r.get_csv(cat='0-958', geo='US-ME-500')
    print i

2 runs: without and with the patch

savril@ubuntu:~/workspace/google-trends-csv-downloader$ python test.py
You've exceeded your quota. Continue tomorrow...
savril@ubuntu:~/workspace/google-trends-csv-downloader$ python test.py
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
^CTraceback (most recent call last):