*addon - script.xbmcbackup
 *version - 0.1.1
 *url - git://github.com/robweber/xbmcbackup.git
 *revision -  934f9b63e8695439e3f17c86b626cc4ed96bb21c
 *branch - master
 *xbmc version - eden

added check for array key in vfs.py