Implementation of spotifyplugin
Removed function to retrieve top tracks, better to use existing libraries
Add album to queue, changes in method names
String formatting, exception is the callers responsibility
Spaces for indentation
Added docstrings
When adding title, make sure it's utf-8 encoded or it will fail
Merge branch 'master' of https://github.com/r0stig/SoCo
fix style issues
fix Python 3 compatibility in Spotify plugin