release 4.3

New musik release, coming in hot!!

A massive thank you to @Ryder-Booth on GitHub for most of the changes in this update!!

[added] better "no files" screen
[added] new UI (with a toggle to change the UI back if you'd like)!
[added] crank functionality to file browser
[moved] some functions in funcs.lua to separate files
[fixed] song file names in "now playing screen" being longer than the screen width
[fixed] inaccurate song length display
[fixed] bug concerning song skipping
[fixed] screen lock
[removed] song seeking feature