Pass empty string instead of None as the second argument to Gtk.ListStore.
PyGtk appears to be capturing and ignoring SIGINT. Set the signal handler back to the default value.
Merge pull request #34 from ameyp/handle-sigint

PyGtk appears to be capturing and ignoring SIGINT.
remove print
Merge pull request #33 from ameyp/ubuntu-1204-fix

Pass empty string instead of None as the second argument to Gtk.ListStore
Scroll over notification icon to adjust volume.
Always use status icon until scroll down bug gets fixed.