For initial release (0.10.0):
=============================

* sequencing:
   - allow generation of unique sequences based on date time for last 1 - n days, via menu
   
* download profiles (combinations of subfolder and image renaming preferences)
* better handle preference changes while downloads are occurring
* handle unexpected media removal, disk full, all kinds of write errors
* indicate different levels of error better in log window
* sum amount of images to be downloaded, and how much free space on the file system
* highlight image thumbnail with colour / text to indicate a problem / success
* check to see if preferences are valid before starting download
* check to see if preferences are valid when clicking close on preferences dialog
* alert user via dialog when preferences are invalid
  - on starting of download (give user option to change preferences)
  - on entering preferences dialog
  - on closing preferences dialog
* rework checkPrefsForValidity() to account for multiple subfolder problems
* make sure it is the only instance running - use gnome / dbus to check this



For future releases:
====================

* Better application icon -- help needed!
* Make download time remaing algorithm more intelligent
* Get more metadata
  - lens
  - Serial number from high-end Canons
  - Shutter count from high-end Canon and Nikons
* User defined camera model mapping
* Job codes
* click on warning / error images to open log window
* use python's high performance deque to improve idletube



