Version 0.5.0

What's Changed

-Users can choose to select an audio source in the config.lua or not have audio_source in config.lua to let the program choose.
-Added GPU acceleration.
-Modularized and cleaned up code.

• ran a profile by @gituser12981u2 in #33
• User can select audio source in config.lua by @gituser12981u2 in #36
• Feature/gpu acceleration by @gituser12981u2 in #37
• modularized and cleaned up code by @gituser12981u2 in #39

Full Changelog: v0.4.0...v0.5.0