Fix rewind() with bit_count > 1
@ -182,8 +182,8 @@ class Track(RawTrack):
n += b << bit_index
yield n
def rewind(self, bit_count):
self.bit_index -= 1
def rewind(self, bit_count=1):
self.bit_index -= bit_count
if self.bit_index < 0:
self.bit_index = self.bit_count - 1
self.revolutions -= 1