Comment 8 for bug 357206

Pushed one more version, which will clear the contents of the tab when hidden. I noticed afterwards that the clearMessages() function referenced in client.py doesn't appear to be implemented yet, but figured I'd leave the code, it does no harm at the moment.

Not sure if it was right, but I used the 'bzr --fixes' switch on this bug as per the bazaar docs. Should I also propose the branch for merging, or is that traditionally done by a maintainer?