Fixed lyrics search when title contains "/" symbol
Some PEP-8 warnings has been resolved
Update readme
Added checkbox in Prefences->OtherOptions
[Save to onefolder (no subfolder)] - don't create "Artist" subfolder
Added checkbox in Prefences->OtherOptions
[Save to onefolder (no subfolder)] - don't create "Artist" subfolder
-- patch for slashes in name
Fixed crashing on double/triple/... clicks on navigation tree
Fix bug - incorrect removing extra tabs
Merge remote-tracking branch 'origin/test'