Version history

0.1 - Alpha testing
0.2 - Initial Submission
0.3 - jpegcom.py: Changed jpegcom to fail gracefully if there is no python library
0.4 - __init__.py: Fixed to allow setting a single image via image_uri set property
      __init__.py: Added more error checking
0.5 - Added thread on the directory walk.  Attempt to make more responsive on startup
0.6 - __init__.py: Misc Bug Fixes, Error Handling
0.7 - __init__.py: Added image thumbnailing to fix issue with large pixbuffers in latest jpeg libraries.
      __init__.py: Added launch method
0.8 - IImageSlideShow.py: Broke out interface
      directorywalk change

