fixed display of key-value maps (in variables) in test results
added ConvertBeanToMapOperation (technically this is a feature, but I
need it for unit tests regarding map handling in test results, so I
added it in a bugfix release)
fixed display and comparison handling of cases in which maps are
provided as expected result to comparisons where the actual value is a
bean object
fixed result comparator being a bit too eager at detecting maps inside
variables and operation results
added test for bean-to-map-conversion operation and related cases