CHANGELOG
* Add sphinx docs config and setup mal.readthedocs.io
* Use hyphens instead 'undefined' for non-classified score animes (mal list)
* Implement --extend flag on list command
* Implement drop command to setup any anime to dropped list
* Implement the stats command, just like the web version from oficial mal
* Fix some checkers decorators on mal.utils after upgrade of dependencies
* Create a entry for date-format on config file (effect with `mal list --extend`)