Second release for today! 1.9.2 Beta

I was really in the mood for some coding today so I have made even more changes. Highlights for users:

- None really :-) Some minor usability improvements which may not be noticed by most. The app should "appear more solid" with this release.

For developers:

- Split the main tubecaster file into two files to further align to MVC architecture. The source now consists of two files, tcCore.py containing core functionality and tubecasterWX.py containing the wxPython GUI stuff and associated controller.

I'm probably going to redo the whole download mechanism starting from something more generic. I think I'll turn the MovieDownload class into a more generic fileDownload class and subclass from there into specifics for YouTube and then it should also make it much easier to add support for other movie sites at a later stage.

Stay tuned...

-Wayne