v2.1.3

Add the support of authenticated connection (#13)

Since the last update of the redis-client, it is possible to configure
the authentication.
This commit add the possibility to configure it via a new parameters
"password".
The default value is "null" which means that the connection is not
authenticated.

v2.0.1

Adds a visibility option for clients.

v2.0.0

Removes support for Symfony <3.3
Adds support for Symfony 4

Removes support for PHP < 7.1

Better support empty base

Merge pull request #5 from blablacar/fix-empty-base

Handle null redis base

Better support empty base

Merge pull request #4 from blablacar/fix-empty-base

Do not select 0 if base is null