bad unicode handling in new NRC scraper

[pwoods25443]

Running this:

nohup /srv/scrapy/bin/python /srv/scrapy/new-scraper/bin/nrcSpreadsheetScraper.py --db-host ewn3.skytruth.org --db-user scraper --db-pass EsyfylE48CD2D0gB6V6Y --print-queries &

Produced this:

...
INSERT INTO public."NrcScrapedMaterial" (reportnum, name, reached_water, chris_code, amount, unit) VALUES (1073139.0, 'GASOLINE: AUTOMOTIVE (UNLEADED)', 'NO', 'GAS', 17000.0, 'LITER(S)');

Traceback (most recent call last):
File "/srv/scrapy/new-scraper/bin/nrcSpreadsheetScraper.py", line 2090, in
sys.exit(main(sys.argv[1:]))
File "/srv/scrapy/new-scraper/bin/nrcSpreadsheetScraper.py", line 2049, in main
print(query)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xd3' in position 315: ordinal not in range(128)