Elixir TDLib: a proper telegram client Concurrency != Parallelism

TMIB-13: This January, we made bors-ng easier to deploy, hack on, and debug.

https://bors.tech/newsletter/2018/02/01/tmib-13/

Shameless plug: Check out @elixirstatus' other community project:

Credo, a new static code analysis tool that acts as a code linter, but also focusses on teaching coding practices and code consistency.