24.12.2018
    - fix interface to scrape() [DONE]
    - add to Github


24.1.2018

    - fix issue #3: add functionality to add keyword file

27.1.2019

    - Add functionality to block images and CSS from loading as described here:

        https://www.scrapehero.com/how-to-increase-web-scraping-speed-using-puppeteer/
        https://www.scrapehero.com/how-to-build-a-web-scraper-using-puppeteer-and-node-js/

29.1.2019

    - implement proxy support functionality
        - implement proxy check

    - implement scraping more than 1 page
        - do it for google
        - and bing

    - implement duckduckgo scraping


30.1.2019
    - modify all scrapers to use the generic class where it makes sense
        - Bing, Baidu, Google, Duckduckgo

7.2.2019
    - add num_requests to test cases [done]

25.2.2019
    - https://antoinevastel.com/crawler/2018/09/20/parallel-crawler-puppeteer.html
    - add support for browsing with multiple browsers, use this neat library:
    - https://github.com/thomasdondorf/puppeteer-cluster [done]

TODO:
    - write test case for proxy support and cluster support
    - add captcha service solving support
    - check if news instances run the same browser and if we can have one proxy per tab wokers

    - write test case for:
        - pluggable