0.6
    - Complete code refactoring and cleanup
    - Unified header handling, picture loading
    - Refactored configuration
    - Removed old rendering code
    - Moved to Plasma-based API
    - Reflecting busy state
0.5
    - Cut too long data
    - Recent played tacks available

0.4
    - Refresh bug fixed
    - 3 months / 12 months / Overall charts available
    - Album charts available
    - Add an Icon

0.3
    - Bug fixes
    - New logo
    - Adding a tool to set :
      * LastFm user
      * Chart

0.1
    - First draft of the weekly artist chart
