Music Caster v5.19.13

• [IMPORTANT] Your antivirus might remove the Music Caster Installer or executable! This is due to me upgrading "pyinstaller" which is responsible for creating executables. The version I was using broke on me so I was forced to upgrade.
• [Experiment] Better connection?
• [Feat] Update from GUI
• [Fix] Chrome Cast issues
• [Fix] Unexpected crashes
• [Fix] Experimental theme setting
• [Fix] Playing offline if a URL is in the queue
• [Fix] Saving metadata without album art
• [Fix] Sort Library by artist by default (don't know why I took so many years to do this)