Quickci

==================

* Add ``--branch`` option to check for specific branch;
* Update documentation.

------------------

* Add Drone CI class and CLI commands;
* Update tests;
* Update documentation.

------------------

* Fix setup.py installation process;
* Update documentation.

------------------

* Fix imports and tox test config.

==================

* Change ``config`` and ``status`` commands to group commands and add related subcommands;
* Change classes to use concurrent functions when possible;
* Clean code.

------------------

* Change fetching functions to asyncio.