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The user interface

Versions

April 2010

September 2010

November 2010

January 2011

April 2011 [version 1.1.]

July 2011 [version 1.2.]

September 2011 [version 1.4.]

December 2011 [version 1.5.]

February 2012 [version 1.6.]

July 2016 [version 2.0.]