* added new service
* fixed basic test in kodi platform
* Added new method async_get_albums
* Added new methods in module kodi
* added method find_song in kodi module
* method add_song_to_playlist made
async
* Added media type to method async_play_media
* added methods async_clear_playlist
and play_song
* methods play_song and find_song
made async
* added new service play_song
* Improved kodi._find
now it find for whole words only
* added possibility to specify artist in
kodi.async_find_artist
* added kodi.async_find_album
* added new optional input to play_song service
* In async_play_song added handling of no song found
* default artist value changed to ''
* async_add_song_to_playlist now can also
search for musinc
* added service add_song_to_playlist
* Added new service add_album_to_playlist
* added services to switch shuffle mode
* added service add_all_albums_to_playlist
* handled error in async_unset_shuffle
and async_set_shuffle
* Added abstract methods to media_player
* _server substituted with server property
* style made consistent with requirements
* Fixed issue with pylint
* Services moved to kodi platform
* service play_song removed
* removed service unset_shuffle
* all add services merged into one
* removed service get_artists
* added kodi_ to service names
* Fixed some style issues
* Removed changes in media_player __init__
* Implemented requested changes
* Fixed pylint problem