added test for result format handling (#13)
introduced infrastructure for result format support (#13)
introduced interface for result converters (#13)
added converter stub (#13)
added test case stub (#13)
added comments (#13)
introduced new exception type for result set conversion (#13)
implemented tests (#13)
documented possible exception (#13)
implemented simple result converter (#13)
added converter stub (#13)
added test stub (#13)
added comments (#13)
implemented tests (#13)
implemented extended result format converter (#13)
added test that checks the result formatting (#13)
implemented result set formatting (#13)
added Null object converter stub (#13)
implemented tests (#13)
implemented Null converter (#13)