Add SaveProtocolVersion

Functions/+BpodLib/+dataio/HashFile.m

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+function hash = HashFile(filename)
+%HashFile - Compute the hash of a file with MD5
+%  HASH = HashFile(filename)
+%  The hash is returned as a string of hexadecimal digits computed using the MD5 message-digest algorithm.
+%  In windows the MD5 hash can be found with the command `certutil -hashfile filename MD5`.
+%
+%  See also BpodLib.external.DataHash.DataHash.
+
+%  This function requires the DataHash function by Jan Simon.
+%  MATLAB FEX: http://www.mathworks.com/matlabcentral/fileexchange/31272
+%  The DataHash function is distributed under the BSD license.
+
+hash = BpodLib.external.DataHash.DataHash(filename, 'file');
+
+end