When selecting a stream from the browser, the textarea now lists the available qualities.
Added a dropdown-menu with quality-settings, with "best" being pre-selected
Users can now select a default quality setting which is saved in a preferences file.
For some reason I had previously only pulled the top 25 Streams per game, now it's top 100 (that's the api-limit)
Merge pull request #5 from MZimmermann/master

Listing of available qualities