bugfix: Audio quality in playlists

Fixed audio quality selection for playlist

bugfix: Cancellation fixes

Added cancellation token to web client.
Fixes #13

bugfix: Download issue

Fixed downloading issue when the info button is present #15
Thanks to: @lunaticrave

bugfix: Enter should start the search

Search Form:
Now, pressing Enter inside the input box should initiate the search. #12
Thanks to: @PatrikPepega

Feature: Save Album Art

Added the 'save album art' feature #11
Double-clicking on a path now opens the path folder
Thanks to: @lunaticrave, @BrainwashAlpha, and @PatrikPepega

Update

Fixed the search feature

Update

Fixed the search feature

Update

Support updated website elements

Update

Added a toolbar progress
Probably fixed a race condition exception
Added a main form layout (main window can be properly resized)
Fixed text formatting in Search form

Update

Fixed quality parsing