Numpy 1.12.0 Breaks VideoFileClip

[SenorPez]

>> clip = moviepy.editor.VideoFileClip('video.mp4')

Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "C:\Program Files\Python35\lib\site-packages\moviepy\video\io\VideoFileClip.py", line 82, in __init__
    nbytes = audio_nbytes)
  File "C:\Program Files\Python35\lib\site-packages\moviepy\audio\io\AudioFileClip.py", line 63, in __init__
    buffersize=buffersize)
  File "C:\Program Files\Python35\lib\site-packages\moviepy\audio\io\readers.py", line 70, in __init__
    self.buffer_around(1)
  File "C:\Program Files\Python35\lib\site-packages\moviepy\audio\io\readers.py", line 234, in buffer_around
    self.buffer =  self.read_chunk(self.buffersize)
  File "C:\Program Files\Python35\lib\site-packages\moviepy\audio\io\readers.py", line 123, in read_chunk
    self.nchannels))
TypeError: 'float' object cannot be interpreted as an integer

$ pip freeze | grep numpy
numpy 1.12.0

Does not occur with `numpy 1.11.2 installed.

[SenorPez]

Already addressed with PR #384.