[Priority-1] Participate in Hacktoberfest 2019: accept the challenge! (send 4+ PRs around October)

[webknjaz]

Dear Padawan!

It's a great time to practice branching and contributing to Open Source!

That's why I have an important task for you:

1. Register at https://hacktoberfest.digitalocean.com
2. Submit at least 4 Pull Requests at GitHub till October 31st.
3. Make sure you apply knowledge from #4 and #5
4. Check out CONTRIBUTING.md file of the repos you choose to contribute to and follow requirements they declare.
5. Bonus: you'll get an exclusive t-shirt after you complete the challenge :raised_hands:
6. Spread the word ;)

Additional resources:

• https://hacktoberfest.digitalocean.com/details#getting-started
• https://github.com/search?q=label:hacktoberfest+state:open+type:issue&l=Python
• https://up-for-grabs.net/#/filters?tags=python