title: Create .mat v7.3 files from Python using hdf5storage
body: <p>Is there any way to create .mat v7.3 files from Python? I have been managed to create hdf5 files from Python but not in converting them into .mat v7.3 files. 
  I found a package called <a href="https://pypi.python.org/pypi/hdf5storage/0.1.1" rel="nofollow">hdf5storage</a> but I don't know how to use it.</p>