Removed some seemingly unnecessary lines

Removed a line where the vol variable was set for no reason.
Moved duplicated line for setting m variable to outside of the if statement.
Merge pull request #4 from TalCohen/patch-1

Removed some seemingly unnecessary lines
Removing some os.system() calls
Moved song detection to its own function
Moved comments to their own lines
Removing and moving variables
Reorganizing some of the core loop
Removed extraneous script