Upgrade SoCo to 0.8
Translate Socos one based indexing to SoCo 0.8 zero based indexing for remove_from_queue
Merge pull request #49 from petteraas/soco_0.8

Upgrade SoCo to 0.8
Added command ml_sonos_playlists.
Linted changes and removed some debugging code.
Merge pull request #43 from petteraas/ml_sonos_playlist

Added command ml_sonos_playlists.
Change from unnamed conversion specifier to named conversion specifier for
str.format to stop pylint complaint about too many format arguments.
Merge pull request #51 from petteraas/pylint_fix

Change from unnamed conversion specifier to named conversion specifier
Get or set player_name.
Added extra blank line.