Merge pull request #1 from dolanor/master

Handle multiple Logitech devices when compiling
Incremented to version 0.5

* Can now query the battery status and initiate a reconnect
* Basic support for MX-5500

version done by :
* Andreas Schneider <anschneider@suse.de>
* Christophe THOMAS <oxygen77@free.fr>
Incremented to version 0.6

* Small changes made to make the battery/mode request work with MX-5500 combo

Version written by :
* Artem Illarionoff <cz0@mail.ru>