message: corrected description of set_transpose in io.py
diff: @@ -186,13 +186,14 @@ class Transformer:
  def set_transpose(self, in_, order):
  """
  - Set the input channel order for e.g. RGB to BGR conversion
  - as needed for the reference ImageNet model.
  + Set the order of dimensions, e.g. to convert OpenCV's HxWxC images
  + into CxHxW.
  Parameters
  ----------
  - in_ : which input to assign this channel order
  + in_ : which input to assign this dimension order
  order : the order to transpose the dimensions
  + for example (2,0,1) changes HxWxC into CxHxW and (1,2,0) reverts
  """
  self.__check_input(in_)
  if len(order) != len(self.inputs[in_]) - 1:
  