Version 0.38 - November 2013

1. Update to add a file node when file arguments are added through instances.
1. Removed src directory.
Version 0.39 - November 2013

1. Minor updates to support gkno tools.
Version 0.40 - November 2013

1. Further updates.
Version 0.41 - December 2013

1. A number of fixes in support of the run-test pipeline.

2. Streaming tasks handled.
Version 0.42 - December 2013

1. Included tool configuration file validation. This has modified the formats
and so other methods are not yet compatible.
Version 0.43 - December 2013

1. Further tool configuration file validation and support of updated methods.
Version 0.44 - December 2013

1. Further fixes in support of tool configuration file validation.

2. Started implementation of pipeline configuration file validation.
Version 0.45 - December 2013

1. Pipeline configuration validation is now supported with a few to do items left.

2. Lots of updates to clean up the code.
Version 0.46 - December 2013

1. Updates to bring tool operation in line with pipeline updates.
Version 0.47 - December 2013

1. Added instances class.

2. Improved validation of instances.

3. Updates to support these modifications.
Version 0.48 - January 2014

1. Updates to bring pipeline operation up to date.
Version 0.49 - January 2014

1. Bug fixes and modifications.
Version 0.50 - January 2014

1. Modifications in support of getting help messages in gkno working.
Version 0.51 - January 2014

1. Support of check for isolated nodes.
Version 0.52 - January 2014

1. Modifications in support of improved help messages.
Version 0.53 - January 2014

1. Modified pipeline configuratino file validation and handling of nodes.
Version 0.54 - January 2014

1. Checking of some data types in pipeline configuration files wasn't performed.
Now it is.
Version 0.55 - January 2014

1. Bug fixes.
Version 0.56 - January 2014

1. Modifications in support of exporting instance information.