New test library (issue #62)
This version introduces multiple enhancements:

Fix problem with end group missing data, when only one marker is in group and removed content on start group marker.

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/packages/tester/benchmark_class.php
            -- Modified --
               setMarker method, fixed problem with missing data when only one marker in group
               startGroup method, removed content to display
               display method to remove content of start group row