Addic7ed-cli

New features:
* Multidownload support
* Suffix subtitle file name with the lang
* Ability to skip a subtitle
Speed improvements:
* Memoize user informations
* Don't fetch the episode page twice
Minor impromevents:
* Improve "webdl" support in query computation
* Drop "resync from ..." when parsing a release string
* Support season/episode number formated as four digits
* Better configuration path on Windows
Bug fix:
* Fix flags support in configuration file

Fix occasional error when querying addic7ed
Change "youre" to "you're" in query
Drop support of python 2.6
Ignore character case on confirm input

Fix for an issue in the latest version of requests (a dependency library)

Pypi support
Minor argument parsing fix

Python 3 support
Authentification support
Default responses for inputs

Ignore .part extension