Committing some python files.
Refactored the code and cleaned up. Separated global and context
preferences.
Refactored the code
Separated Console from the main frame
Updated some images
Cleaned up the console code a little.
Removing pyc files from the repository
A lot of changes and simplifications for saving and loading files.
Separated the global and local preference files.
Added code to save files before closing or changing context
Merge branch 'master' of https://github.com/samowre/PVS