Adapt for hspec-1.3
Set window title (close #41)
Update travis-ci config
Revert "Set window title" (re-open #41)

This has issues with some terminal emulators (at least tmux and screen
are affected).

This reverts commit aa5920193453a46641772f52edeab61effebeb83.
Update README
Update travis-ci config
Sort songs by disc and track numbers when a whole album is added to the
playlist
Some cleanup
First stab on visual selection

Only deletion currently works.  And still has positioning issues.
Stay on current element on ListWidget.update
Reset to original position on :novisual
Update travis-ci config
Minor refactoring
Add album movement
Fix warning
Enable album movement for playlist
Fix a positioning issue after :paste
Fix a race condition
Make :remove more robust
Fix positioning issue with :paste-prev