Parse all search result pages.

def get_results():
    """Parse all search result pages."""
    base = "http://www.smackjeeves.com/search.php?submit=Search+for+Webcomics&search_mode=webcomics&comic_title=&special=all&last_update=3&style_all=on&genre_all=on&format_all=on&sort_by=2&start=%d"
    session = requests.Session()
    # store info in a dictionary {name -> url, number of comics, adult flag, bounce flag}
    res = {}
    # a search for an empty string returned 286 result pages
    result_pages = 286
    print("Parsing", result_pages, "search result pages...", file=sys.stderr)
    for i in range(0, result_pages):
        print(i+1, file=sys.stderr, end=" ")
        handle_url(base % (i*12), session, res)
    save_result(res, json_file)