provViz v1.0.7 (Release date: 2020-07-27)
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Changes:

* Added support for displaying provenance from Python scripts.
* Show execution time when sorting operations by execution time
* When showing scripts, it now displays the saved copies rather than the originals.
* Fixed bugs related to sourced scripts.


provViz v1.0.6 (Release date: 2019-08-26)
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Changes:

* Adds display of Standard Output nodes

provViz v1.0.5 (Release date: 2019-06-03)
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Changes:

* Parses either , or . as the decimal mark
* Elapsed time now represents the time that an individual node takes, rather than time since the start of the script.
* Creates the .ddg directory to store the preferences file if it does not exist. 

provViz v1.0.3 (Release date: 2018-12-14)
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Changes:

* Incorporates version of DDG Explorer that no longer supports storing provenance graphs in a database

provViz v1.0.2 (Release date: 2018-12-04)
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Changes:

* Added prov.visualize.file
* Fixed sorting by execution time
* Changed Compare DDG command to work with provenance stored in JSON.


provViz v1.0.1 (Release date: 2018-09-06)
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Changes:

* Added support for R's graphics device nodes

