Fixed namespace and syntax errors

Signed-off-by: Darren Hill <dchill42@gmail.com>
Fixed multiple Lang load() handling

Signed-off-by: Darren Hill <dchill42@gmail.com>
Added AlFineException, renamed remap to xyRemap, and broke play() into playIntro, playBridge, playCoda, playChorus, and playVerse

Signed-off-by: Darren Hill <dchill42@gmail.com>
Added services to XyTestCase, temporarily removed DB test variants, and completed Xylophone class test coveragegit status

Signed-off-by: Darren Hill <dchill42@gmail.com>