exact version that was used. 
	If you clone the repository, use the command 
	<tt>git log --pretty=format:'%h' -n 1</tt>. 
	If you download, the long hash is baked into the filename, but you need only use 
	the first 8 characters.</p>
      
      <h2 id="contribute">How to Contribute</h2>

      <p>Your bug reports and code contributions are warmly welcomed.
	This is an open-source project hosted on GITLAB at
	<a href="http://gitlab.com/tensors/tensor_toolbox">http://gitlab.com/tensors/tensor_toolbox</a>.
