I've been meaning to work out the svn / git aspect of the script and working that in conjunction with the upcoming auto-update feature but since I'm currently deployed I'm dealing with some limitations in terms of network capabilities. In order for me to post updates here and to SF I have to juggle burning CDs and all types of fun stuff. Luckily I have a VPS with and online ajax console so I can atleast debug the SVN and autoupdate features of the script although I would much prefer to work with a GUI.
I'll make sure I get a working svn / git as one of my top priorities for the script, and hopefully get it done by today. The auto-update feature will be soon to follow once I get a good grasp on the best way to work it out. I'll certainly be posting here with updates and hopefully 0.9 (with a working auto-update) will be soon to come