Starting 0.5.4 bugfix release.

file:24081d267cd791196863926f588ed8a5de208fee -> file:296f2083a7336144cf4fa48b038b8443b4d22cd2
--- a/mp3togo/__init__.py
+++ b/mp3togo/__init__.py
@@ -21,5 +21,5 @@
# __all__ = ('converter', 'main', 'options', 'setup')
-version = '0.5.3'
+version = '0.5.4'