new_contents: #!/usr/bin/env python3
  """A test file for matrixpng
  
  The canonical source for this package is https://github.com/finitemobius/matrixpng-py"""
  
  import matrixpng
  import numpy as np
  
  __author__ = "Finite Mobius, LLC"
  __credits__ = ["Jason R. Miller"]
  __license__ = "MIT"
  __version__ = "alpha"
  __maintainer__ = "Finite Mobius, LLC"
  __email__ = "jason@finitemobius.com"
  __status__ = "Development"
  
  
  def _main():
      p = matrixpng.MatrixPNG()
      print(p.mode)
      print(p.bitdepth)
      print(p.quantization_levels)
      # Create a diagonal gradient
      a = np.empty([700, 700])
      for i in range(len(a)):
          for j in range(len(a[i])):
              a[i][j] = i + j
      # Write to a PNG
      with open("test.png", mode='wb') as fp:
          p.matrix2png(a, fp)
  
  if __name__ == '__main__':
      _main()
  
subject: Add a test script