Merge branch 'develop' of aubio.org:/git/aubio/aubio into wavetable

diff --cc src/aubio.h
index a8d6841,59133d1..5f8b518
--- 1/src/aubio.h
--- 2/src/aubio.h
+++ b/src/aubio.h
@@@ -184,8 -184,8 +184,9 @@@ extern "C
  #include "tempo/tempo.h"
  #include "io/source.h"
  #include "io/sink.h"
+ #include "io/audio_unit.h"
  #include "synth/sampler.h"
 +#include "synth/wavetable.h"
  
  #if AUBIO_UNSTABLE
  #include "mathutils.h"